Maximum Yield Modern Growing | Canadian Edition | May June 2017

MODERN GROWING
CANADIAN EDITION
UVA &
UVB
NUTRIENT DELIVERY SYSTEMS
LIGHT DEPRIVATION
SPRING CLEANING
MICROPONICS

MODERN GROWING
MAY/JUN 2017 | VOLUME 20 NUMBER 1
FEATURES
26
The Curious Effects
of UVA and UVB
by Tom Forrest
While too much ultraviolet
radiation can be harmful,
new research shows how it
can be used for optimum
benefit to plants.
30
Let it Flow: Nutrient
Application Systems
by Dr. Lynette Morgan
One of the basic principles
of hydroponic growing is the
application of a balanced nutrient
solution. But that doesn’t mean
it’s always simple.
4 first feed

CONTENTS
first feed
6 from the editor
8 contributors
10 #maximumyield
tapped in
12 ask the experts
14 max facts
18 hottest products
grow cycle
40 Fight for Your Lights:
LED Metrics
by Josh Gerovac
44 Get your Grow Space
Fresh and Clean for Spring
by Steve Cather
46 Back in Black:
Light Deprivation Cultivation
by Kent Gruetzmacher
50 Microponics: Create a Tiny
Ecosystem in your Backyard
by Gary Donaldson
groundbreakers
movers & shakers
56 Good Green Earth Company
you tell us
58 Dr. Earth
62 max mart
64 distributors
first feed
5

first feed
from the editor
Growing food in
your community
generates certainty
and with certainty,
people can let
their guards
down a little.”
Nothing brings people together like food. Be it a wedding, a holiday,
a tailgate party, or a first date, wherever there is food there are
happy, social people. It is and has always been a key social driver in
communities. Common ground, if you will. This isn’t the case everywhere,
however. There are many communities in modern cities where
neighbourhoods are shattered, devoid of social connections. One of those
neighbourhoods is Tel Aviv’s Neve Sha’anan quarter, a place with a history
of violence. It is also home to many foreign workers, many of whom speak
different languages, further deepening divides.
On the toughest street in Neve Sha’anan, though, hope is blooming.
According to the Jerusalem Post, 29-year-old entrepreneur Lavi Kushelevich
has brought together Darfurian refugees, Chinese workers, and Israelis
through his Rooftop Gardens project. “They don’t have the same language,
so they can’t communicate,” Kushelevich told the Post. “But they can
communicate through food.” Rooftop Gardens allows participants to
grow food hydroponically in a place where just a short time ago growing
anything seemed impossible. On Saturday mornings, they gather, take
care of the garden, and learn new techniques. Some of the crops they grow
include cucumbers, lettuce, basil, and bok choy. Growing food in your
community, Kushelevich added, generates certainty and with certainty,
people can let their guards down a little.
In many other cities, urban gardening is having a similar effect. It brings
our agriculture closer to us, reduces emissions and food waste, and results
in greener, healthier cities in which to live. The innovation seems to have no
end, and, hopefully, neither does the social connectivity it creates.
As always, thanks for reading Maximum Yield and if you have any
questions feel free to contact us at editor@maximumyield.com.
6 first feed

first feed
contributors
STEVE CATHERS, an HCIcertified
cryogenics technician
and gasfitter living in Boulder,
Colorado, is the CEO of the
Colorado-based group of gasmonitoring
specialists, Sensor
Compliance LLC. He is also
co-founder and the former chief of engineering at
Multiponics LLC. Steve is a facial-hair enthusiast,
truth seeker, independent thinker, and autodidact.
THOMAS FORREST was
introduced to aquaponics six
years ago and quickly became
an enthusiastic gardener.
Following his university studies
in business and media, Thomas
completed his Production
Horticulture Certificate at the
National Precision Growing Centre. He is a sales
representative for Stealth Garden in Australia.
KENT GRUETZMACHER
is a California-based freelance
writer and the west coast director
of business development at Mac
& Fulton Executive Search and
Consulting, an employment
recruiting firm dedicated to the
indoor gardening and hydroponics industries.
He is interested in utilizing his Master of Arts
in humanities to explore the many cultural and
business facets of this emerging industry by way
of his entrepreneurial projects.
DR. LYNETTE MORGAN
holds a B. Hort. Tech. degree
and a PhD in hydroponic
greenhouse production from
Massey University, New
Zealand. Lynette is a partner
with Suntec International
Hydroponic Consultants and has authored
several hydroponic technical books. Visit
suntec.co.nz for more information.
on the web
GARY DONALDSON is an
Australian urban farmer, the
author of the Urban Aquaponics
Manual, and the architect of
microponics – the integration of
fish, plants and microlivestock.
JOSH GEROVAC is a
horticulture lighting consultant
at Fluence Bioengineering.
He has spent the last decade
working in controlled
environment agriculture,
from growth chambers to
commercial greenhouses. His research and
practice is focused on the influence of light
intensity and spectral light quality from
sole-source LEDs. He has a BSc in horticulture
production and marketing, and a MSc in
horticulture science, both from Purdue University.
ERIC HOPPER’S past
experiences within the indoor
gardening industry include
being a hydroponic retail store
manager and owner. Currently,
he works as a writer, consultant,
and product tester for various
indoor horticulture companies. His inquisitive
nature keeps him busy seeking new technologies
and methods that could help maximize a
garden’s performance.
BECOME A MAXIMUM
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VOLUME 20 – NUMBER 1
May/June 2017
GENERAL MANAGER
Ilona Hawser
EDITORIAL
editor@maximumyield.com
Toby Gorman
Jessica Skelton
Julie Chadwick
WEB & SOCIAL MEDIA CONTENT EDITOR
Julie McManus
TECHNICAL CONSULTANTS
P.L. Light Systems
ADVERTISING SALES
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SALES MANAGER
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Hailey Woolgar - hailey@maximumyield.com
DESIGN & PRODUCTION
ads@maximumyield.com
ART DIRECTOR
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GRAPHIC DESIGNERS
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Maximum Yield is published monthly by Maximum Yield
Inc. No part of this magazine may be reproduced without
permission from the publisher. If undeliverable please
return to the address below. The views expressed by
columnists are personal opinions and do not necessarily
reflect those of Maximum Yield or the editor.
2339 A Delinea Place, Nanaimo, BC V9T 5L9
Phone: 250.729.2677; Fax 250.729.2687
USA DISTRIBUTION
BWGS • Florida Hydroponics
General Hydroponics • Humbolt Wholesale
Hydrofarm National Garden Wholesale/Sunlight Supply
Nickel City Wholesale Garden Supply
Tradewinds • Urban Agricultural
CANADIAN DISTRIBUTION
Brite-Lite Group • Biofloral Hydrotek
Eddis Wholesale • Green Planet Wholesale
Greenstar Plant Products Inc. • Growers Paradise
UK DISTRIBUTION
Century Grow Systmes • Easy Grow Ltd.
Erith Horticulture • Nutriculture UK • Dutchpro
AUSTRALIAN DISTRIBUTION
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8 first feed

first feed
#maximumyield
Is Maximum Yield hosting any Indoor
Gardening Expos this year? Haven’t
seen anything about them yet.
Allan
Editor’s Note: Hi, Allan. Yes, you are
in luck! Maximum Yield is hosting two
indoor gardening expos this year under
a new name: GROWX. There will be two
GROWX trade shows happening this year.
The first is happening June 3-4 in San
Jose, California, and the second takes
place Sept. 30-Oct. 1 in Detroit, Michigan.
We hope you can make it out to either
of these exciting new shows! Check out
mygrowx.com for exhibitor information.
Nice one!
Best issue yet.
@stealthgarden
One reason why we love the CMH!
Hygrowponics (@Hygrowponics) RT@
max_yield UV light is harmful to plant
tissue, but research shows that it can also
benefit our little green friends.
#indoorgardening, #lightscience, #UV,
#justlikenature, #columbus, #hilliard, #ohio
Kudos to the @slucketbuckets team
for their revolutionary #posiflow,
#rdwc system and their awesome team!
Read their company spotlight in the
@maximumyield Industry News
March 2017 issue page 38.
@cleangrow
Interesting. I did not know
#seedlings need 18-24 hours
of light. #growyourown.
Bob Leeson @FarmerBobGreens
It’s all about the cations
and anions.
@taogrow
Good to Grow product of the Day:
PureAg Pest Control
This stuff works...we were one of the
first Hydro Shops to carry it. Lil Shop
of Growers tested it in 2012 and have
carried it ever since.
Paul Fullerton @lilshopofgrower
RT @max_yield
@Max_Yield has an article in the
Feb. 2017 issue re:
#hydroponicsystems. Where can you
get the parts to build your own? Well,
@CampbellsIndoor of course!
@CampbellsIndoor
Mississauga is now #home to
Canada’s first #aquaponic #food
bank, #farm! Access to fish and veggies!
Article via @Max_Yield magazine.
Awesome!
Natural Impressions @Naturalscaping
DO YOU WANT TO BE
FEATURED ON THIS PAGE?
Send your email or post to:
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10 first feed

tapped in
ask the experts
Q
Hi,
What are the commercial options for mediums and lights (HPS or LED)? I have 17,000 square feet.
Do I need 300 lights or more? Also, how should I set up the clone/mother room? Should I have
trays or just pots, no trays? I’m looking to veg in three weeks, ideally, or four weeks, max.
– Paul
Paul,
Thank you for your questions.
A
First, when setting up a
commercial growing facility,
remember that automation
is your best friend. The more
equipment in the garden that
can be automated, the better.
This automation will, in turn,
reduce the amount of work
that you must do.
In many ways, the choice of
medium and growing system
comes down to the grower’s
personal preference. Just about
any growing medium can be
used successfully. However,
when gardening on a large
scale, logistics—including
disposal of the medium—should
be considered. Stone wool is
lightweight and easy to transport,
making it a good choice for largescale
gardens. It is also a great
medium for top feed systems,
which are the preferred system
for growers with commercialsized
operations. Top feed
systems with trays or troughs are
easiest to automate on a large
scale. Still, while stone wool is
commonly used by large-scale
commercial growers using this
type of system, any soilless
medium can be used just as
effectively with a top feed set-up.
The simplest way to determine
the horticultural lighting
requirements for a commercial
garden is to think in terms of
watts (W) per square foot of space.
The typical high-performance
indoor garden will provide 40-50W
of artificial light per square foot
of garden space. It is important
to remember that we are talking
about actual garden space,
not the total square footage
of the room. Assuming your
17,000-square-foot facility will be
filled wall-to-wall with plants,
you should plan on providing
a minimum of 680,000W of light
(for example, you could use 680
1,000W HID lighting systems).
You could possibly reduce the
total wattage required if you are
using induction or LED lighting
systems in place of HID lighting
systems. Induction lighting
systems and LED are more
efficient at converting electricity
into photosynthetically active
radiation (PAR), which means
they can provide the same usable
energy as other technologies
while consuming less electricity.
That being said, intensity is
crucial to the development of
large fruits or flowers, which is
why HIDs still remain the most
popular choice for large-scale
commercial gardens.
How long the plants are kept
in the vegetative stage depends
completely on how large you
want them before initiating
the flowering cycle. For most
indoor growers, the desired
size can be achieved in three
to four weeks of vegetative
growth. For the cloning stage,
again, automation will be a
big factor in reducing labour
and increasing efficiency.
A dedicated cloning space
complete with temperature,
humidity, watering, and
lighting automation will go
a long way in making the
transitions of a perpetual
garden smooth. The mother
plant(s), however, are typically
kept in a soil container and in a
separate area or room.
Keep on Growing,
Eric Hopper
Eric Hopper’s past experiences within the indoor
gardening industry include being a hydroponic retail
store manager and owner. Currently, he works as a
writer, consultant, and product tester for various indoor
horticulture companies. His inquisitive nature keeps him
busy seeking new technologies and methods that could
help maximize a garden’s performance.
PAR
Photosynthetically active radiation (PAR) is the amount of light available for photosynthesis. This light (light in
the 400-700 nanometer wavelength range) is required for all plant growth. Higher PAR promotes better plant
growth, and monitoring PAR is important to ensure plants are receiving adequate light for this process.
– fondriest.com
12

tapped in
maxfacts
growing news, tips, & trivia
Surrey Food Bank Goes Vertical
The Surrey Food Bank installed two living walls at its Cloverdale depot. The vertical farming
towers—which were planted with leafy greens—are expected to produce anywhere from
300-800 pounds of food a year. “Fresh produce is so hard to get,” Feezah Jaffer, the food
bank’s associate executive director, says. “Especially with the weather and difficulties of
the growing season, we get a lot of root vegetables from our farm partners, so potatoes,
carrots, onions, but we don’t get a lot of the fresh leafy greens.” The idea came from
a former SFU Surrey student, Ethan O’Brien, whose company, Living Garden Foods,
sells, installs and provides training for the towers. “I thought, why don’t we talk
to some food banks to see if we could help them become environmentally and
financially sustainable by growing their own food,” he says. To install the project,
the food bank received a $6,000 grant from Vancity Community Partnership
program and partnered with the Active Sprouts Foundation.
thenownewspaper.com
Forget Five; Eat 10
Portions of Fruit and Veg
According to scientists at Imperial
College London, doubling your
recommended fruit and vegetable intake
shows major benefit in reducing the chance of heart
attack, stroke, cancer, and early death. Research found the greatest
benefit came from eating 800 grams of a day, which is roughly
equivalent to 10 portions. Some of the best fruit and vegetables
to consume include apples; pears; citrus; salads and green leafy
vegetables like spinach, lettuce, and chicory; and cruciferous
vegetables such as broccoli, cabbage, and cauliflower. Eating 10
portions a day is associated with a 24 per cent reduced risk of heart
disease, a 33 per cent reduced risk of stroke, a 28 per cent reduced
risk of cardiovascular disease, a 13 per cent reduced risk of total
cancer, and a 31 per cent reduction in dying prematurely. This risk was
calculated in comparison to not eating any fruits and vegetables.
freshfruitportal.com
Edmonton Streamlines Urban Gardening Bylaws
Earlier this year, Edmonton city council made getting into urban gardening easier by approving changes to
its bylaws. The changes came a year into its urban agricultural land use strategy. City staff reported that
many people were confused about which projects needed permits, as well as
complaining that some of the parking stipulations
were excessive. Under the new rules, development
permits will no longer need to be obtained for
beekeeping equipment. Hen enclosures, on
the other hand, now require permits, as do
gardens and farms in non-residential areas.
An exemption to obtaining a development
permits for farms and gardens with minor
structures in residential zones remains in
place. Finally, urban gardens and farms in the
downtown core no longer need to provide onsite
parking.
metronews.ca
14

max facts
Eating Healthy Cheaper Than Buying Junk Food
A new report from the Institute of Economic Affairs has found that
healthy food is, for the most part, cheaper than junk food. Unlike
previous studies, this new research measured the cost per
edible weight as opposed to the cost per calorie of 78
common food and drink products. As reported in a story in
the Telegraph, the cheapest processed foods cost “more than
CDN$3.30 per kilogram, whereas typical fruit and vegetables cost
less than that amount.” This finding counters the thought that cost
is driving poor nutrition and obesity. “The idea that poor nutrition
is caused by the high cost of healthy food is simply wrong. People
are prepared to pay a premium for taste and convenience,” says Chris
Snowdon, the report’s author. “Given the relatively high cost of junk food,
it is unlikely that taxing unhealthy food or subsidising healthy food would change people's eating habits.”
metro.co.uk
Global Boom Time for Urban Farms
Urban farming is booming worldwide, says French urban farming project
consultant Marie Dehaene. “There is a huge variety of formats and business
models,” she says. “There have also been changes in stakeholders, in
the law, in building ownership, and management that have encouraged
people to do it.” However, local factors determine the viability and
format of such schemes, particularly at larger scales. “In New York,
most fresh produce comes from California or Mexico. California is
under environmental strain and there are concerns about traceability. In
Singapore, there is a drive for greater food self-sufficiency, while in Japan
there has been concern about polluted land post-Fukushima. People lost
trust in the quality of produce and some typically Japanese vegetables
can’t be imported. So, in these places there has been a real reason to make
it viable on a large scale. There are also such projects in France, but there
is a cultural difference too.”
hortweek.com
16 tapped in
Grow Calgary Goes Hydroponic
This winter, non-profit group Grow Calgary went hydroponic in order to continue
feeding families in need. The group cultivated kale, lettuce, and tomatoes inside
a repurposed shipping container. “We were really proud. It was really cool
to get this food out of the container in the middle of winter. It was awesome
for sure and hopefully we can continue to do that," says volunteer Sandie De
Bonnault. “The other good thing about it is that we can have early germination
and start very early and have plants that are strong enough so that we can put
them in the soil in April.” During the growing season, the non-profit group also
farms a 4.5-hectare piece of land and gives the crops to Calgary’s Compassionate
Food Access Agencies.
cbc.ca

tapped in
good to grow
ask for these products at your local hydro shop
P.L. Light Systems NXT-LP HPS 1,000W System
The new NXT-LP HPS 1,000W system from P.L. Lights offers a wide and exceptionally uniform light
distribution to deliver optimum light intensity evenly across the surface of the crop. Included
in the box is the NXT-LP fixture, cast aluminum housing with
electronic ballast, reflector bracket, lamp holders (1,000W
DE), alpha reflector, mounting points, a six-foot 120V power
cord, a six-foot 240V power cord, 1,000W electronic DE lamp,
hanging kit, two S-hooks, two two-foot lengths of chain, a wire
bracket, and two eye bolts.
SoHum Living Soils Potting Mix
This fully amended potting mix contains no artificial
components and requires none of the artificial chemical
additives to spur growth. This mix is biodynamic,
meaning each bag contains an ecosystem of beneficial
bacteria and fungi to directly impact plant development,
emphasizing a natural approach to growing. SoHum
contains a full buffet of macro- and micronutrients
pre-amended into
the potting mix for
maximum nutrient
uptake—for the entire
life cycle of your plant.
This mix helps your
plants achieve their
genetic potential while
reducing labour, time,
and cost spent on your
garden. There is no need
to pH your medium or
second-guess testing kits,
just add water and grow.
Enjoy consistent yields
and naturally enhanced
flavour with SoHum Soils.
Rainmaker Battery Powered
18V Backpack Sprayer
Another first from Rainmaker, this all-purpose sprayer
is ideal for hand watering, applying herbicides,
pesticides, liquid fertilizer, and for use in many home
applications. Using a premium Sanyo rechargeable and
removable battery pack, which is included, you’ll get
hours of use on a single charge. You
can adjust the flow from low to high
with the flip of a switch. Product
includes a 22.5-inch lance with
quick-connect feature for the
nozzle attachments, three
spray nozzles (ranging from
fine mist to stream), a trigger
with a lock-on option that can
be engaged for continuous
spraying, padded
shoulder straps,
an integrated
filter, and a
four-foot hose.
For complete
product details, visit
rainmakersprayers.com.
Nanolux DE Chill
The Nanolux DE Chill is the first DE commercial overlap fixture of its type on the market.
The DE Chill is designed with an onboard ballast, is air cooled, and comes NCCS APPready.
The air-cooled design removes up to 60 per cent of heat load in grow facility
environments. This greatly reduces the air conditioning required to maintain the
growing environment at desired temperatures. The fully enclosed design uses an
optical quality glass lens which only reduces light output by six per cent. This six
per cent reduction is easily offset by the ability to lower your lights closer to your
plants and therefore raising light intesities far above 20 per cent. If left at the
same height, one would only require 104 lights in a facility that would regularly
require 100 open-style DE lights. The 4,000 watts required to run the four
additional lights and the small wattage draw for exhaust fans is minor compared
to the savings from lower electrical consumption required to AC the growroom.
18 tapped in

good to grow
EcoloBlue Atmospheric Water Generators
Do you need potable water for your hydroponic, greenhouse, or other
grow space? Do you need a dehumidifier? Do you need safe water to
drink for you and your family? Did you know that they can all be found
in one machine, just by plugging into an electrical outlet? Water can be
created from air by EcoloBlue Atmospheric Water Generators (AWGs)
without an existing water source. All you need is 35 per cent or higher
humidity; 70-80 per cent is optimal. EcoloBlue offers the opportunity
to be water-independent and sustainable, whether you need just five
to eight gallons of water a day for personal use or thousands of gallons
a day for a commercial operation. Since its inception, EcoloBlue has
grown its product line from a single home/office unit to a full industrial
line of AWGs, a fully contained emergency preparedness container, and
an EcoloBlue Water Station. The EcoloBlue range varies from up to 30
litres/eight gallons a day for the home/office market, up to millions of
litres per day in customizable water stations.
AgroLED Sun Par 390 LED Fixture
AgroLED’s Sun Par 5,000K and,
an industry-first, 2,000K LED, are
designed and produced by one
of the most respected names
in horticultural lighting. The
2,000K offers all the benefits
of flowering found in HPS
lamps. The 5,000K delivers
full spectrum lighting for full-term
plant growth. A sustained, maintenance-free life is a vital value of
LED, and thermal management dictates LED life. Sun Par’s thermally
managed, properly driven, high specification components, including
high-quality, Japanese-made Nichia brand chips and Meanwell
drivers, equate to a superior fixture for the most extreme conditions.
Includes two types of interchangeable optics to accommodate various
mounting heights: a 90-degree beam spread for higher mounting
applications and a 120-degree beam spread for a wider coverage area
at lower mounting heights. IP65 rated. Comes with an industry first,
12-foot Convertible Smart Volt 120/240V power cord, and eye boltstyle
loop for mounting.
Dr. Earth Final Stop
Yard & Garden Insect
Killer Spray
This spray is an OMRI-Listed
insect killer that is all-natural and
highly effective at controlling aphids,
mites, whiteflies, caterpillars, and
other nasty insects. Our handcrafted
blend of essential oils
and other natural ingredients
work to kill pests immediately
on contact. Dr. Earth Final
Stop Yard & Garden Insect
Killer spray is ready to use
and contains rosemary,
sesame, peppermint, and
cinnamon oil, as well as
other potent ingredients that
eliminate pests in a people
and pet-safe manner.
Good Green Earth Company’s Bokashi PRO-GRO
Take your garden to a whole new level by maximizing the full potential of your plants. Bokashi
PRO-GRO is a premium soil amendment, handmade with a proprietary blend of specialty nutrients
like high-grade vitamins, minerals, superfood complex, and probiotic consortium created through a
unique acidic anaerobic fermentation process. You must feed the soil in order to have an abundant
sustainable garden or farm. Today’s synthetic approach to fertilizers has led to depleted nutrient
and mineral density in our soil. Bokashi PRO-GRO was developed to replenish our precious soil with
everything necessary to create a sustainable microecology that will continue to feed the soil and, in
turn, our crops without need of additional chemical fertilizers. Benefits include: healthier plants with
increased nutrient density; increased flavour, colour, and yield; increased uptake of organic matter;
reduced watering and nutrient costs; runoff is beneficial to the environment. PRO-GRO may be used
as soil amendment, top dressing, compost tea and foliar spray.
20 tapped in

good to grow
Ideal Air DriFecta
Ideal Air has just introduced an exciting new air conditioning and humidity
control system for indoor gardeners. DriFecta is not only a commercial grade
air conditioner, but also allows for independent humidity control. Temperature
and humidity can have independent set points, which allow growers to
precisely dial in their ideal growing environment. Even if a temperature set
point is achieved, it will continue to operate the dehumidification feature until
the desired humidity level is achieved. DriFecta units are available in sizes
ranging from three tons up to 25 tons. DriFecta units are designed for roof
mounting on a curb, they can also be slab mounted at ground level. Every unit is
completely charged and wired, and only one electrical outlet is required. The units are
piped and tested at the factory to provide for quick and easy field installation. All models are
convertible between bottom and horizontal duct connections. Available in electric/electric and
gas/electric models. For detailed product information and pricing, check out ideal-air.com.
Dr. Earth’s Pot of
Gold Premium
Potting Soil
Dr. Earth’s Pot of Gold
premium potting soil is an
OMRI- and CDFA-certified
organic blend that is
people and pet safe and
contains no GMOs. Pot
of Gold potting soil uses
OIM inputs, which are
finely selected organic
materials from the land
and sea that help prized
plants thrive. Pot of Gold is a pH balanced, all-purpose
mix with horticultural perlite for optimal drainage
for containerized gardens—indoor or out. Dr.Earth’s
certified organic soils are created for life—we utilize
powerful MycoApply-certified beneficial microbes that
encourage explosive root growth, allowing for optimal
access to nutrients in the soil. Locate Dr. Earth organic
soils, fertilizers, and controls at your local garden store
or nursery. Be the change and choose Dr. Earth to
sustainably achieve heavy yielding, high-quality crops.
Enviroboss Dehumidifier
You’ve got the right lights and the right nutrients, but
do you have the right humidity? Correct humidity levels
are critical to plant health at all stages of growth. With
EnviroBoss dehumidifiers, you can precisely control RH levels
throughout the growing process, helping to increase yield
and crop consistency and reduce the risk of damage from
mold, mildew, and other humidity-related problems. Proper
humidity control in your processing environment can also
help you preserve product quality and weight. EnviroBoss
offers a wide range of dehumidifiers to bring precision
humidity control to your grow operations. You can trust
your investment with EnviroBoss—built
in the USA by a
manufacturer with
over 35 years of
proven humidity
control product
success. Manage
risk, boost yields,
control quality—get
everything right
in your grow
environment with
EnviroBoss.
Reiziger’s Boosters, Nutrients, and Substrates
In the early 1980s, the Seed Bank of Holland pioneered a revolutionary approach to
breeding and set a new benchmark in plant cultivation, assisted by the use of specialized
nutrient formulations. Kept a closely guarded secret and handed down from one
generation of Dutch craftsmen to the next, Reiziger is born from these original recipes,
giving them a heritage that delivers the same exceptional yields and flawless quality
attained by Dutch breeders and growers for over 30 years. Reiziger’s boosters, nutrients,
and substrates are alive with pioneering know-how to help enhance the cultivation of
all fruiting and flowering plants. They offer demanding craftsmen exactly what they
need to afford magnificent harvests. Forward-thinking formulation and a host of unseen
technologies make Reiziger modern and dynamic. Their endless surge of power and
invigoration set them streets apart from others.
22 tapped in

good to grow
Current Culture
H 2 O’s Cultured
Solutions Coco Cal
Current Culture H 2O
has introduced Coco
Cal, its newest addition
to its popular Cultured
Solutions line of
premium hydroponic
nutrients. Made from a
concentrated blend of
readily available calcium
and magnesium, Coco
Cal is formulated to assist
fast-growing plants by
preventing secondary
nutrient deficiencies. Coco Cal supplements vital
plant nutrition that is often lacking in water supplies,
while also enhancing plant growth and development.
Designed for all rapidly growing plants in all growth and
bloom phases, Coco Cal belongs in your garden. Coco
Cal is available through National Garden Wholesale and
all authorized Current Culture H 2O dealers.
Dr. Earth Home Grown
Tomato, Vegetable &
Herb Fertilizer
Home Grown Tomato, Vegetable
& Herb Fertilizer promotes hearty
root development and vigorous
crop growth. It is OMRI- and CDFAcertified
organic, with premium
ingredients that provide primary
essential nutrients, micronutrients,
and multi-minerals. Calcium can
be a limiting factor in optimal plant
health, which is why Home Grown Tomato, Vegetable & Herb
contains fish bone meal—a source for lasting calcium, which
increases brix levels and reduces the chance of blossom end
rot. Mix fertilizer globally into the soil or scratch around into the
plant's soil surface and water thoroughly. Home Grown Tomato,
Vegetable & Herb fertilizer is infused with TruBiotic microbes, a
proprietary blend that enhances drought resistance, increases
nutrient availability, and protects the plant from pests and
pathogens. Your plants will thank you for using Dr. Earth Home
Grown Tomato, Vegetable & Herb Fertilizer to achieve superior
harvests in an environmentally responsible manner.
24 tapped in

feature
UVA and UVB
Tanning
Your Plants:
The CURIOUS
Effects of UVA and UVB
by Tom Forrest
While getting a tan on is a favourite holiday pastime,
we often forget the nasty consequences of too
much sunlight on our skin. UV light is harmful to
plant tissue too, but research shows that it can
also benefit our little green friends.
26 feature

grow cycle
27

UVA and UVB
“
CRYPTOCHROMES,
phototropins, and
Zeitlupe (ZTL) are
the three primary
photoreceptors that
mediate the effects
of UVA. UVB light is
primarily mediated by
the UV-R8 monomer.”
Sunlight is the portion of the sun’s
electromagnetic radiation that
includes infrared, visible, and ultraviolet
(UV) light. It’s these ultraviolet light
waves that can cause harmful radiation
to our dermal tissue. But, how have our
floral friends evolved to deal with this
UV light energy?
Well, UV radiation can be harmful to
plant tissue too, but modern research is
proving there are also several distinctly
positive responses to UV radiation.
WHAT IS UV LIGHT?
Let’s take a step backwards and look
at the basics. Ultraviolet light is an
electromagnetic radiation with a
wavelength from 10-400 nanometres (nm).
This is a shorter wavelength than
visible light but longer than x-rays. This
radiation can be broken down into three
bands: UVA (320-400 nm), UVB (290-320 nm),
and UVC (100-290 nm). Radiations with
wavelengths from 10-180 nm are sometimes
referred to as vacuum, or extreme, UV.
These radiations propagate only in a
vacuum. Thanks to the ozone layer, only
UVA and UVB rays reach the Earth’s
surface. UVC rays can’t make it through,
which is lucky as they could have
catastrophic effects.
HOW DOES UV LIGHT AFFECT PLANTS?
As sunlight shines down upon a crop,
plants expose the surface of their
leaves to capture solar rays. While
some of this light energy is used in
photosynthesis, some regulates different
developmental processes—such as
advancing growth in good conditions or
causing deviations for survival during
periods of stress—to optimize the
photosynthetic processes and detect
seasonal changes. This light-mediated
development of form and structure is
known as photomorphogenesis.
The different developmental or
physiological changes are induced
by a plant’s photoreceptors, which
detect specific wavelengths of light.
Photoreceptors are also sensitive to
light quantity, quality, and duration.
For example, plants growing beneath
the canopy use phytochromes to sense
the reduced amount of light reaching
the plant and regulate such processes
as shade-avoidance, competitive
interactions, and seed germination.
However, it is extremely difficult for
scientists to match specific responses
to individual photoreceptors. Typically,
multiple photoreceptors will interact
to produce a single change. Also, some
photoreceptors like phytochromes
are sensitive to more than one light
wavelength. (Phytochromes, which
mediate many aspects of vegetative
and reproductive development, are
responsible for absorbing red and
far-red light but also absorb some blue
light and UVA radiation.)
When it comes to UV radiation, there
are several other photoreceptors
responsible for absorbing those
wavelengths. Cryptochromes,
phototropins, and Zeitlupe (ZTL) are
the three primary photoreceptors that
mediate the effects of UVA. UVB light
is primarily mediated by the UV-R8
monomer. It has been proven that UV
light influences photomorphogenic
responses including gene regulation,
flavonoid biosynthesis, leaf and
epidermal cell expansion, stomatal
density, and increased photosynthetic
efficiency. However, don’t forget that UV
radiation can also damage membranes,
DNA, and proteins. That’s why many
plants undergo photomorphogenic
changes designed to protect them from
these rays when their photoreceptors
sense the presence of radiation.
28 feature

For example, numerous agricultural
crops can synthesize simple phenolic
compounds and flavonoids that act
as sunscreens and remove damaging
oxidants and free radicals. In
certain crop species, these phenolic
compounds can be extremely desirable
and it can be beneficial to the farmer to
enhance this aspect of production.
name
eature
HOW CAN GROWERS UTILIZE THIS
UV ENERGY WITHOUT CAUSING
DAMAGE TO THEIR CROPS?
Although this is a fairly recent field
of botanical science, there are reports
of dramatic increases in essential oil
production by flowering crops grown
under lightbulbs with higher UV output.
Modern metal halide (MH) and ceramic
metal halide (CMH) lamps often include
precisely calculated and optimized
amounts of UVA and UVB output.
High UV bulbs are generally
recommended for use in the last two
weeks of a flowering cycle once the
generative development is completely
established. This allows for a crop
to continually develop in size and
growth vigour while also protecting
the flowers and canopy with increased
resin production.
Like all aspects of horticulture, balance
is the key to effective UV use. Too much
or incorrect ratios of PAR/UVA/UVB
will not help, but the correct amounts
could encourage some incredibly useful
results. Timing is also an important
part of UV application. When given
UVB throughout the entire growth cycle,
sensitive plants such as leafy greens
often display reduced growth (plant
height, dry weight, leaf area, etc.) and
photosynthetic activity. Generally, the
effectiveness of UVB also varies both
among species and among individual
strains or genetics of a given species.
If you’re looking to utilize UV in your
garden, it’s worth discussing with your
local hydroponics store about the best
approach for your chosen plant species.
Overall, it’s valuable to research
the best applications of UV in your
garden whilst catering to your
specific plant’s physiological
requirements. If
we use this technology
correctly, we can enjoy
the delicious benefits of
plant sunscreen. This
means your flowers will
smell better, your fruit
will taste superior, and
your herbs will have a
higher potency in the
kitchen. Enjoy the tan!
“
THERE ARE
reports of dramatic
increases in essential
oil production by
flowering crops grown
under lightbulbs with
higher UV output.”
feature
29

feature
nutrient application systems
by Dr. Lynette Morgan
The application of a balanced nutrient solution to
plant roots is a basic principle of hydroponic growing.
Making this irrigation as efficient and effective as
possible, however, is a little more complex.
30
feature

nutrient application systems
Irrigation is a key component of hydroponic gardening and
a common cause of concern for many indoor gardeners.
Fortunately, the technology has come a long way since the
early days of manual watering and gravity-fed systems.
Today, there is a wide range of highly efficient and advanced
nutrient delivery equipment available for even the smallest
grower. Of course, ensuring nutrients flow at the optimal rate,
frequency, and concentration are all dependent on using the
correct delivery system. So, before you begin planting, give
a little consideration to choosing suitable pumps, drippers,
or emitters; matching up the correct irrigation method, and
ensuring even pressure within hydroponic system.
APPLICATION METHODS
Different hydroponic systems employ a diverse range of
nutrient delivery methods. Solution culture systems such as
nutrient film technique (NFT) and deep flow technique (DFT)
may appear to feature the simplest and straightforward
methods of hydroponic nutrient application. Nutrient solution
is continuously pumped to the top of each growing channel
or trough, through which it flows past the roots and back to a
central reservoir. However, factors such as nutrient flow rate,
equalized delivery volumes to each growing channel, and
control over EC and pH back at the reservoir all become part
of the nutrient management system. Similar considerations—
nutrient application frequency and volume—are required with
ebb and flow systems.
Drip irrigation, which is currently the most commonly
used hydroponic nutrient delivery system, relies on even
distribution of solution to each plant at the correct frequency;
factors that are largely based on variables such as plant
size, growing substrate properties, container volume and
dimensions, and environmental conditions.
Aeroponics requires nutrient to be delivered directly
to the root system via the use of high-pressure misters
or foggers, which may be intermittent or continuous.
Overhead sprinklers are also still used in some greenhouse
and outdoor systems, though they are not popular in indoor
gardens due to the leaf wetness and inefficiency of nutrient
distribution. The exception to this may be in propagation
areas where high humidity is beneficial to prevent
desiccation of clones while they form new roots.
All these delivery systems need to be paired with a method
of dosing or controlling the nutrient solution composition
before it is applied to plants. Many indoor gardens are reliant
on manual dosing to reach the correct EC and pH; however,
automation of even small hydroponic systems is becoming
increasingly popular.
Nutrient delivery in a multi-level, movable channel system.
Commercial nutrient dosing and delivery systems may be complex, but
scaled down models are suitable for indoor gardens.
“DRIP IRRIGATION, which is currently the
most commonly used hydroponic nutrient delivery
system, relies on even distribution of solution to
each plant at the correct frequency.”
32 feature

grow cycle
33

nutrient application systems
“CENTRIFUGAL PUMPS will
either pump a small volume of water to
a high delivery head or a large volume
of water to a low head.”
PUMPS
Most NFT hydroponic systems utilize centrifugal pumps,
which can produce a constant flow of nutrient solution
rather than the pulsating flow associated with piston or
diaphragm pumps. Centrifugal pumps will either pump
a small volume of water to a high delivery head or a
large volume of water to a low head. A delivery head is
the highest point that the pump must push water to in a
system. With NFT systems, the delivery head is the height
measured from the surface of the nutrient solution in the
reservoir to the top of the growing channels.
To select the correct size of pump that will deliver the
correct volume of nutrient solution, you need to determine
the system’s delivery head height, flow rate in litres
or gallons per minute, and—for basic NFT systems—the
number of channels. (The standard rate of a basic NFT
system is one litre per minute per channel.)
These specifications can be listed on pump packaging
either as a pump performance curve showing head capacity
at different flow rates, or simply as flow rate at a set head
height. Also, growers should be aware that pump capacity
and flow rates tend to fall over time, and with increasing
nutrient temperature. Allowing for future system expansion
is always a good idea.
DRIP IRRIGATION
As mentioned above, drip irrigated hydroponics is the
most commonly used method of nutrient application.
These may be set up and run as either a batch feed or
inline dosing system.
Smaller indoor gardens often utilize batch feeding,
in which a central tank containing several days’ worth
of working-strength nutrient solution is made up and
manually adjusted for EC and pH. This solution is irrigated
onto the plants using a pump and timer or manually
controlled by the grower as required. Batch feeding is easy
to set up and run; however, time is required to mix up the
working-strength solution every few days.
Inline dosing is a more automated system widely used
in commercial hydroponic operations. Also known as
“fertigation” or “direct dilutor/injector systems”, inline
dosing systems are installed on the main water supply. As
water flows through, nutrient concentrates and pH control
chemicals are directly dosed into the flow at the correct
rate to obtain the EC and pH required for a crop. Inline
injector systems may use several different designs for
Adjustable flow emitter allows nutrient solution volume to be controlled
separately for each plant.
Ebb and flow nutrient application used on a seedling nursery bench system.
NFT flow rates down each channel need to be uniform and at the
correct volume.
34 feature

MISTERS, DRIPPERS,
AND EMITTERS
Selecting the correct equipment
for your nutrient delivery system
is essential. Drippers, misters, and
emitters are available in a range of
flow rates and working pressures, and
they are usually matched to a specific
growing substrate and/or crop. Those
with lower flow rates are typically
used with coarser, freer draining
substrates to slow the downward flow
of nutrient and help uniformly wet
the root zone. Pressure compensating
name
emitters allow for an even flow of
nutrient to each plant in the system.
Some dippers are designed to prevent
unwanted leakage and solution loss
between irrigations. Finally, indoor
gardens that have a diverse range
of plant sizes, maturity levels, and
species on the same irrigation system
are good candidates for adjustable
flow rate drippers. These allow larger
plants to receive higher flow rates than
smaller plants on the same nutrient
distribution system, and flow rates can
increase as plants grow.
eature
drawing up and blending concentrated
stock solutions and other additives to
create this balanced nutrient solution.
The advantage of this system is that it
eliminates the need for a large central
nutrient reservoir filled with workingstrength
solution and dosage rates can
be adjusted as required. It also reduces
the amount of labour and time required
to make up batch feeding tanks.
In recirculating systems such as
NFT, DFT, and float or pond systems,
automatic controllers are often used
to maintain the correct EC and pH
level. These units use EC and pH
probes permanently installed in the
flow of nutrient to measure these
parameters at regular intervals.
When the controller senses a drop
in EC, more stock solutions are automatically
dosed into the nutrient
flow until a feedback system determines
the EC is at the correct level.
Water top-ups are also automatically
controlled to keep the tank volume
consistent. While automatic controllers
may seem like the ideal way to
reduce time and labour in monitoring
a nutrient solution, they can’t fully
replace manual EC and pH checks as
failures are known to occur occasionally,
even in well-designed equipment.
EC and pH probes also require
frequent calibration and checking
to ensure reliable monitoring and
adjustment of the nutrient solution. In
particular, pH probes have a limited
lifespan and inaccurate readings
from these can lead to crop damage
and loss. That’s why automated
doser units are reliant on correct and
regular maintenance.
feature
35

feature
nutrient name application systems
DESIGN AND LAYOUT
Layout also affects the distribution of
nutrient solution to individual plants
around a drip irrigation system. Drip
systems may consist of either inline or
microtube systems. Inline systems are
more suited to large media beds where
the emitters are directly attached to
or embedded in the irrigation supply
pipe, which runs down the centre of the
bed. Microtube systems use tubing of a
smaller diameter, which is installed into
the lateral irrigation lines with emitters
or drippers fixed on the end. Each plant
or growing container can have one or
two microtubes with emitters pegged
into the substrate near the base of plant.
Using microtubes allows a more uniform
pressure at the emitters, provided the
irrigation is correctly designed and has a
pump of sufficient capacity.
One of the main issues encountered
by hydroponic growers is the differences
in volume of nutrient solution
received by plants in various parts
of the drip system. Some plants may
end up overwatered while others are
constantly too dry, and these issues
become difficult to remedy once
the irrigation system is in place. To
achieve uniform and constant nutrient
flow rates to all emitters in the
system, a ring or loop layout can be
installed. This consists of emitters
placed into lateral irrigation pipes
connected at both ends to a ring main
system, evening out the flow and
pressure round an irrigation system.
Each ring main is supplied by a main
irrigation pipe running directly from
a pump or pressure water supply.
This largely prevents the issue of
plants furthest away from the pump
receiving the lowest volume of nutrient
solution at each irrigation.
Selecting the correct irrigation pipe
diameter is an aspect of hydroponic
system design that is often overlooked.
The type, number, and flow rate of the
irrigation emitters determine the size of
irrigation lateral pipe needed in terms
of flow rate and pressure required. As
such, if the flow of nutrient appears too
low from some emitters, it is often more
effective to increase the diameter of the
delivery pipes rather than invest in a
more powerful pump. A large capacity
pump will not compensate for irrigation
pipes that are too small to carry the
nutrient solution flow rate required.
Float or raft systems may seem like a simple way
to supply nutrient solution, but oxygenation, EC,
and pH still need careful control.
Growers setting up hydroponic systems
for the first time or renovating an established
indoor garden to improve nutrient
management and delivery need to take
solution flow and delivery into consideration.
Under- or overwatering of individual
plants, slow or insufficient flow rates
in NFT systems, and inaccurate dosing
can all be prevented with the correctly
designed irrigation system.
36 feature

38 grow cycle

grow cycle
LED lighting metrics
Fight
for Your
Lights:
LED METRICS GROWERS
NEED TO KNOW
With horticultural LED lighting still in its
infancy, there are a lack of clearly defined
metrics that measure performance. Fluence
Bioengineering’s Josh Gerovac points
growers in the right direction to get the
most out of their LED lights and better
understand how they help plants grow.
by Josh Gerovac
40
grow cycle

horticultural LED lighting
The metrics used to quantify some
horticulture lighting can be
confusing at times. If you have been
researching horticulture lighting
systems, you have likely been
bombarded with a variety of metrics
that manufacturers use to market their
products. Some terms and acronyms
you are likely to see include watts,
lumens, LUX, foot candles, PAR, PPF,
and PPFD. While all of these terms are
related to lighting, only a select few
really tell you the important metrics
of a horticulture lighting system.
If you are looking to optimize your
growing conditions or researching
what lighting system is best for your
operation, a firm grasp on the nuances
of lighting metrics is the foundation to
cultivation and financial success.
Horticulture LED lighting technology
is still in its infancy and there is an
abundance of misinformation, unlike
other industries that have established
clearly defined metrics to assess the
performance of a solution. Take, for
example, the automotive industry. We
all have a general understanding of
horsepower, miles-per-gallon, and even
torque. These are all critical metrics
used to determine whether a vehicle
can perform a specific application (i.e.
towing a trailer or racing in a quartermile)
and to evaluate options when
looking to purchase a vehicle. Metrics
in LED horticulture lighting should
provide the same type of insight; they
should accurately and consistently
answer the questions, “Can this light
perform the function needed, and,
“ Horticulture LED lighting is still in its infancy and
there is an abundance of misinformation, unlike other industries
that have established clearly defined metrics to assess the
performance of a solution.”
more specifically, is it optimized?”
While there is currently a lack of
industry standards for LED lighting in
horticulture—and some manufacturers
take advantage of this by misreporting
or inflating performance claims—many
lighting companies in the industry are
encouraging the implementation of
formal industry standards to ensure
performance claims can be verified.
Lighting technologies like high
pressure sodium and metal halide have
had these standards in place for years.
Still, the start to standardizing the
answers to these LED performance
questions is with a firm grasp on
the metrics by which horticulture
lighting is measured. While other
measurements like the daily light
integral are important, for the purpose
of this article, we will focus on
photosynthetically active radiation (PAR)
and photosynthetic photon flux (PPF). It
should also be mentioned that growers
should not use a foot candle/LUX sensor
when taking light measurements, since
these follow the sensitivity curve of the
human eye and give wrong information
when comparing light sources with
different spectrums. Instead, a quantum
sensor, which is designed to follow the
sensitivity curve of plants and measures
the number of photons between 400 and
700 nanometres (nm), should be used.
Photosynthetically
Active Radiation
Let’s start with PAR. It’s s a much
used, and often misused, term
related to horticulture lighting. PAR
is the spectrum of light (specifically
400–700 nm, which are the primary
wavelengths of light used to drive
photosynthesis). Knowing the
spectrum of a lighting system is
extremely important and can easily
be achieved by requesting a spectral
power distribution chart from a
lighting manufacturer (Fig. 1 & 2).
Fig. 1: Spectral distribution chart of an LED system.
42 grow cycle

Spectral distribution
will have significant
implications on the
growth and development
of plants, along with the
overall energy efficiency
of a lighting system.
However, the amount of
PAR delivered to a crop
is an equally (if not more)
important metric to focus
on. Photosynthetic photon
flux and photosynthetic
photon flux density (PPFD)
are two metrics used to
measure the amount of PAR.
Photosynthetic
Photon Flux
This measures the total
amount of PAR that is
produced by a lighting
system each second. This
measurement is best taken
using a specialized instrument called
an integrating sphere, which captures
and measures essentially all photons
emitted by a lighting system. The unit
used to express PPF is micromoles
per second (μmol/s). Photosynthetic
photon flux is a very important metric
if you want to be able to calculate
how efficient a light is at converting
electrical energy into photons of
PAR. If the PPF of the light is known
along with the input wattage, you can
calculate how efficient a horticulture
lighting system is at converting
electrical energy into PAR. However, it
is important to note that PPF does not
tell you how much of the measured light
actually arrives to the plant canopy.
While it’s nice to know the PPF of a
lighting system, PPF alone is often
useless information to a grower.
Photosynthetic Photon
Flux Density
Photosynthetic photon flux density
measures the amount of PAR that
actually arrives at the plant, or, as a
scientist might say, “the number of
photosynthetically active photons
that fall on a given surface each
second.” PPFD is a spot measurement
of a specific location on your plant
canopy, and it is measured in
micromoles per square metre per
second (μmol/m 2 /s). If you want to
find out the true light intensity of a
fixture over a designated growing
area, it is important that the average
of several PPFD measurements at a
defined height (typically, the top
of your crop canopy) are taken.
Lighting companies that only
publish the centre point PPFD
directly below their lighting fixture
grossly overestimate the true light
intensity of a fixture. A single
measurement does not tell you
much, since horticulture lights are
generally brightest in the centre,
with light levels decreasing as
measurements are taken towards
the edges of a coverage area. It is
easy for lighting manufacturers to
manipulate PPFD data if buyers
are not educated on the proper
way to measure PPFD. To ensure
you are getting accurate PPFD
values over a defined growing
area, the following needs to be
published by the manufacturer: the
maximum, minimum, and average
measurement; measurement
distance from light source (vertical
and horizontal); number and
location of measurements; and the
min/max ratio if only an average
PPFD is provided.
“PPF” is commonly used to describe
PPFD by academics in peerreviewed
journals, and debate
continues among plant scientists
and engineers on which usage
of the term is correct. One way to
avoid ambiguity when reading a
Fig. 2: Spectral distribution chart of an HPS lighting system.
“ Understanding
the correct
metrics to use
will not only allow you to
make better purchasing
decisions of horticulture
lighting systems, but will
ultimately make you a
better grower. ”
journal article or product brochure is
to focus on the unit of measurement.
If the unit includes m 2 , then the unit
is referring to the light intensity at
the surface of a plant canopy (PPFD).
If m 2 is not included, then the unit is
referring to the total PAR emitted from
a light source (PPF). Understanding
the correct metrics to use will not only
allow you to make better purchasing
decisions of horticulture lighting
systems, but will ultimately make you
a better grower.
grow cycle
43

grow cycle
spring cleaning
Get Your
Grow Space
Fresh and Clean for Spring
With spring just around the corner, let Steve Cather
give you some tips on what you can do to help your
garden stay healthy and pest-free.
While spring may be the proverbial
season for cleaning, these helpful
tips should become a regular part of your
gardening regimen. Most issues can be
traced to a failure in preventive measures
that we may have become lazy about as
the seasons while away. The effort you
make now will pay dividends in the form
of a healthy harvest.
Sweep your floors regularly
A common mistake made by indoor
gardeners is allowing organic debris
and material to accumulate in the space
they use. These small bits of plant
matter and soil attract and feed pests
of all types. The ruinous and notorious
spider mite is tiny by virtually any standard.
A floor that is free of organic material
is a wasteland to a bug. The journey
to your garden is a marathon of epic
proportions. If a mite doesn't find any
sustenance on the way to the promised
land, it will starve to death long before
it reaches a suitable meal.
Clean your plastics
A plastic surface may seem non-porous
and uninviting as a habitat. When that
same plastic has a layer of slime, dirt,
and nutrient salts adhered to it, the situation
changes dramatically. Between
crops, you have unlimited access to all
parts of your system. Reservoirs and trays
should be washed using a light hydrogen
peroxide or bleach mixture. Three per
cent hydrogen peroxide should be mixed
1:1 with water. Bleach can be mixed at
¼ cup bleach to one gallon of water.
Wipe all surfaces and remove any accumulated
material from the cracks and corners.
Remove bulkheads and other fittings and
soak or scrub them. Bulkheads are easily
cleaned with a bleach water soak followed
by a cycle through the dishwasher. Take
your time and do it right. This is the cost of
doing business.
Clean your pumps
An item many gardeners overlook is the
common water pump. When cleaning your
system, be certain you dismantle the pump
inlet assembly and clean the components.
The impeller on most aquarium-style pumps
is removable and should be completely
cleaned prior to reuse in the next cycle. Use
paper towels and/or an old toothbrush to
clean the cracks and corners. I'm not going
to lie to you. It isn't a fun job. However,
taking five to 10 minutes to dismantle and
sanitize your pump will ensure proper operation
throughout the coming cycle.
Clean or replace your tubing
Along with the pump cleaning you should
begin a standard practice of cleaning your
tubing as well. Short sections of tubing can
be cleaned using a paper towel moistened
with your bleach water solution. Using a
coat hanger or a chopstick, you can push
a wad of paper towel through the tubing
to remove organic deposits that may have
accumulated inside. If the prospect of this
slave labour doesn't appeal to you then
it may be time to pony up a few bucks to
replace the tubing. Twenty dollars' worth of
tubing goes a long way toward maintaining
your sanity and the health of your garden.
44 grow cycle

By Steve Cather
Scrub your pots
When was the last time you actually
cleaned your pots? Most gardeners dump
the dirt out and consider the container
ready for reuse. Those used pots still
hold organic material, nutrient salts, old
soil, and possibly pests. A good blast
with a garden hose is usually enough to
restore them to a like-new condition. If
the accumulation is more persistent, you
may need to use a small brush to break
the chunks loose. When using fabric
pots, you may be best served by replacing
them after two to three crops.
Clean your glass
You spent all that money on the latest
and greatest equipment. Make it work for
you at peak efficiency. If you have vented
hoods with glass, you need to keep them
clean. You're paying for the light. Make
sure it reaches your plants. A layer of
dust inside a light fixture can prevent
that valuable light from reaching your
leaves. Clean the glass inside and out at
least every 90 days.
Calibrate your pH meter
That fancy pH meter you bought needs to
be regularly maintained. If you haven't
been consistent with calibrations, now
is the time to correct that situation. If
your meter isn't calibrated, those nutrient
problems you have been battling will
just continue to get worse. Correct pH
is critical for healthy plants with strong
defenses. Establish a routine of cleaning,
calibration, and testing your meters.
“
Pre-planting and
post-harvest are the
best times to replace
smoke detector
batteries, check your
carbon monoxide
detectors, test your
carbon dioxide
regulators, sensors,
and alarms for
proper operation.”
Test your safety equipment
A safe garden feeds a safe gardener.
Pre-planting and post-harvest are the
best times to replace smoke detector
batteries, check your carbon monoxide
detectors, test your carbon dioxide
regulators, sensors, and alarms for
proper operation. Carbon dioxide can
be dangerous. Don't cut corners on this
equipment. Keep it in fine fettle so it will
do the same for you.
Clean or replace your filters
If you use air conditioners, carbon filters,
or water filters, now is the time to restore
their efficiency and efficacy. A dirty
water pump filter will reduce flow and
may be a source of disease and disaster.
Wash your water pump filters and
check your filters often. I can't stress this
enough. A carbon filter with a thick layer
of dust on the pre-filter is not working as
well as it could. Clean or replace your
carbon scrubber pre-filter once per year.
Spend the time now or do the time later.
An ounce of prevention may just add up
to a pound of cure.
grow cycle
45

grow cycle
light title deprivation cultivation
BACK BLACK:
IN
The Basics of Light Deprivation Cultivation
by Kent Gruetzmacher
Tricking your herbs, vegetables, or flowers into
thinking harvest time is approaching through light
deprivation can result in more frequent highquality
yields. While becoming popular, light
deprivation greenhouses take some dialing
in. Kent Gruetzmacher sheds some light on
the basics of blackout gardening.
46 grow cycle

modern growing.
Maximum Yield magazine covers topics such as hydroponics, aeroponics, aquaponics,
and organics as well as greenhouse, small-space, container, urban and vertical growing. Each
issue is focused on showing you how to reach your maximum yield with informative articles,
the latest products and technologies, how-tos and tips and tricks from indoor growing experts.
Maximum Yield is the longest running, industry leading, consumer uniting, grower informing,
product showcasing, technology instructing, garden harvesting, print & digital magazine.
maximumyield.com

light deprivation cultivation
The popularity of light deprivation
cultivation has been on the
rise over the past few years. There
are several reasons why, but key
factors include higher-quality yields
and off-season harvest times, allowing
growers who utilize this method
to supply the market with a particular
product when others can’t. In light
deprivation growing, horticulturalists
use sunlight to fuel their gardens
while simultaneously employing
environmental controls not seen in
traditional outdoor grow scenarios.
This blend of cultivation styles allows
light deprivation gardeners to combine
their knowledge of indoor and outdoor
growing to produce exceptional crops.
Furthermore, light deprivation requires
less electricity and allows for harvests
during better weather.
Plant Photoperiods
The most definitive characteristic of
light-deprivation cultivation is the
artificial simulation of equal 12-hour
light/dark photoperiods. Using light
deprivation, cultivators seek to mimic
the photoperiods of the late summer
and early fall, which trigger plants
to produce flowers. This idea of artificially
induced flower periods represents
a merging of outdoor and indoor
growing methods. While indoor
growers have timers that simulate
night and day in a growroom, light
deprivation growers must devise other
means to black out the sunlight during
the 12-hour dark period. It should be
noted, however, that artificial light
deprivation methods are only necessary
in evening and morning in most
areas. Exposing your plants to sunsets,
moon rises, and the fresh air of
summer nights will generally improve
their quality. With that said, light
deprivation enthusiasts must devise
blackout systems that cover the entire
canopy and exterior of their gardens to
block all sunlight in the simulation of
nighttime conditions.
Frames, Hoop-houses,
and Greenhouses
No matter how sophisticated or
simple cultivators wish to make
their operations, all light deprivation
crops require an exterior frame that
supports a blackout system. There are
three routes one can take in the creation
of a framework: wood frames, hoophouses,
and greenhouses. Gardeners can
create wood frames by placing heavy
wooden posts in cement at the ends of
the garden. These wooden posts have
heavy cables that support the tarp and
allow for it to easily slide over the canopy
of the garden. Secondly, PVC hoophouses
can be constructed by pounding
two-foot pieces of rebar into the ground
at opposite ends of the garden and
simply bending the PVC over the canopy
and onto the rebar, forming a “hoop.”
Finally, greenhouse kits and frames
make excellent support over which
to pull blackout tarps. Greenhouses
provide growers with the ability to utilize
more environmental controls than with
wood frames and hoop-houses, and
greenhouses have opaque walls as well
as door systems, making them more
attractive for privacy and security.
Tarp Systems
The sort of tarp-pulling system one
chooses for a light deprivation operation
will prove to be important for the
duration of a flowering cycle. This is
because the tarp has to be pulled over
the entire canopy of the garden twice
a day for an entire 55- to 70-day flower
cycle. Therefore, light deprivation cultivators
have to be present twice a day, for
two months solid, to ensure this task is
complete. In the novice operation, as seen
with wooden frames and hoop-houses,
it’s often possible to simply pull the tarp
over the frame by hand or with the aid of
ropes. To aid in this process, growers also
devise pulley systems mounted on trees
and wooden poles to help with getting
a tarp over a large or tall frame system.
Finally, greenhouse companies have
designed a number of automated, less
labour-intensive systems that black
out daylight. These automated
systems include motorized tarp
pulley systems as well as
large blinds that fold over
on one another to create
a completely dark
environment.
“
THERE ARE THREE
ROUTES ONE
CAN TAKE IN THE
CREATION OF A
FRAMEWORK:
WOOD FRAMES,
HOOP-HOUSES, AND
GREENHOUSES.”
48 grow cycle

Airflow During the
“Night” Period
Regardless of the scope of a light deprivation
operation, all cultivators need to
consider airflow in their gardens when
the tarp is pulled over the canopy during
nighttime simulation. This is because
the tarp hinders all airflow from outside
the canopy, presenting challenges with
humidity and subsequent issues with
mold and mildew. To remedy these
concerns, growers must employ intake
and outtake fans similar to those found
in indoor growrooms to ensure a steady
exchange of air when the coverings are
drawn. When choosing the size of inline
fans for intakes and outtakes, gardeners
should use similar considerations as seen
with indoor growing. Exhaust fans should
completely exchange the air in a light
deprivation garden in five minutes or
less. Depending on the size and the structure
of a garden, intakes and outtakes
can be mounted on the framing system or
simply placed on the ground. However,
for air to move efficiently, it’s essential
that the ducting connected to these fans
is long enough so that the ends are not
covered by the tarp when it is pulled
over the frame.
Light deprivation greenhouses essentially
signal plants that seasons are
changing earlier than they actually are,
so growers can manipulate their crops to
produce more robust and frequent crops.
Keep in mind that some plants react
better to light deprivation methods than
others, and that issues such as excessive
heat or humidity, lack of oxygen to
the roots, and pest infestations can be
prohibitive. Once dialed in, however,
light deprivation technology can be
used to harvest early and often, particularly
in late summer and early fall.
grow cycle
49

grow cycle
microponics
MICROPONICS
CREATE A
TINY ECOSYSTEM
IN YOUR BACKYARD
by Gary Donaldson
Many growers have heard of
aquaponics, which incorporates
the use of fish and fish waste into
a hydroponic system to both feed
plants and offer a source of protein.
Microponics takes this process to
a whole new level, and Australian
farmer Gary Donaldson, who coined
the term in 2008, explains how.
50 grow cycle

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microponics
INTEGRATED FOOD PRODUCTION
Integrated systems are always more
than the sum of their parts. Integration,
in a microfarming context, is essentially
about value creation. An integrated food
production system should provide for
better quality, greater quantity, shorter
timeframe, and lower cost.
Aquaponics is the integration of fish
and plants through the combination
of recirculating aquaculture and
hydroponics. Aquaponics is an example
of integration on a small scale: the
fish produce waste that is converted to
plant nutrients, the plants take up the
nutrients; and, in so doing, clean the
water for the fish.
Microponics is the integration of fish,
plants, and microlivestock through
the combination of recirculating
aquaculture and other plant and
animal production systems.
We eat the fruit, vegetables, herbs,
and fish from our aquaponics systems
and the wastes from our kitchen go to
the worms or black soldier fly larvae.
The worms and larvae are then mixed
with duckweed to become food for other
microlivestock. In this simple model,
there is no actual waste in a landfill
sense. The so-called waste product of
one organism becomes the feedstock
for another. And the scope of integration
doesn’t stop there. We can add other
small livestock (like rabbits, chickens,
quail, ducks, snails, and bees) and water
gardening for edible plants like Chinese
water chestnuts and water spinach.
In this extended model of integration,
we get fish, quail/chicken/duck meat
and eggs, worm castings/tea, duckweed,
vegetables, herbs, rabbits, skins,
and honey. We also get pollination, pest
control, cultivation, and weed removal.
MICROPONICS ORIGINS
The challenge when designing small
integrated food production systems
is to see every output as a resource,
even waste body heat and expired
carbon dioxide.
When I first set out to describe a concept
of small-scale integrated food production
several years ago, I called it integrated
backyard food production (IBFP).
Like aquaponics, IBFP is a descendant
of the integrated aquaculture work
of the New Alchemist Institute.
With its inclusion of microlivestock,
however, IBFP has retained a more
direct relationship with integrated
aquaculture.
“Integrated backyard food production”
became too much of a mouthful, so
in 2008, it became microponics. The
name suggests its own origins—
the combination of micro-farming,
microlivestock, and aquaponics.
When it comes to fish production,
aquaponics and microponics both start
off in the same place. A recirculating
aquaculture system (RAS), or micro fish
farm, is at the heart of both microponics
and aquaponics.
The connection of a plant-growing
system to the RAS creates a simple
aquaponic ecosystem that, because they
are in the same water column, benefits
both the fish and the plants.
In the past 10 years or so, we’ve
designed and built many aquaponics
systems in which we’ve grown jade perch,
barramundi, silver perch, and Murray
cod. We’ve also experimented widely with
hydroponic growing systems including
nutrient film technique (NFT), raft culture,
tray system, and satellite pots.
52 grow cycle

The key advantage of aquaponics is that it
offers a crop of fish for the same amount of
water that it would otherwise take just to grow
the plants also by feeding the fish, you feed
the plants.
The difference with microponics is that you
can access that benefit regardless of the plant
growing system.
Square foot gardening (SFG), pioneered
by American Mel Bartholomew, is as waterwise
as any aquaponics system and just as
productive when it comes to growing plants.
Sheet mulching (as described by the late Bill
Mollison and David Holmgren of permaculture
fame) is a soil-based option that is both waterwise
and very productive. We’ve used square
foot gardens and raised sheet mulch beds in
conjunction with our aquaponics systems.
We also use the nutrient-rich water to irrigate
several fruit and fodder trees.
Our use of water is leveraged even further
given that the water from our aquaponics
systems comes from rainwater tanks.
Rainwater is better for plants because it
is free of toxic substances like chlorine
or chloramines. The use of water from an
aquaponics system to irrigate plants is
also better for the fish. Any accumulation of
suspended solids or nitrates is kept in check
by regular replacement with fresh rainwater.
While microponics is distinguished by its
encouragement of a wider variety of plant
growing systems, its principal point of
difference is its integration of microlivestock
and other organisms. The prevailing
wisdom in science says that the greater
the biodiversity in an ecosystem, the better
it is—and that’s where microponics really
distinguishes itself.
MICROPONICS ELEMENTS
Useful microponics organisms include:
• Fruit, vegetables, and herbs
• Freshwater fish and crayfish
• Japanese quail for meat and eggs
• Chickens for meat and eggs
• Fruit and nut trees
• Muscovies and other waterfowl
• Bees
• Aquatic plants—duckweed, azolla, water
spinach, and Chinese water chestnuts
• Fodder plants and trees—pigeon pea,
amaranth, comfrey, chou moellier, tagasaste,
and moringa
grow cycle
53

microponics
• Live animal protein—black soldier
fly larvae, feeder roaches, mealworms,
and worms
• Farmed rabbits
• Snails
• Mushrooms and fungi
• Other forms of microlivestock—
heritage breeds of goats, pigs, and
sheep—even microcattle, such as
the ancient Irish breed, the Dexter.
APPLIED MICROPONICS
Okay, so what does the integration look
like on a practical level? Currently,
we grow fish, vegetables, herbs, trees,
Japanese quail, chickens, black soldier
fly larvae, worms, and duckweed.
Here’s how our microponic unit works:
• The fish provide nutrients for plants
(including duckweed) and the plants
clean the water for the fish.
• Plant residues and fish
processing wastes are fed to
black soldier fly larvae. The
larvae are fed to fish, chickens,
and quail.
• The chicken and quail meat and
eggs go to the kitchen and the
viscera (guts) are fed to the black
soldier fly larvae. The feathers are
composted.
• The castings from the larvae
(which retain up to 50 per cent of
their original protein level) and
kitchen scraps are fed to worms.
• The worm castings are mixed with
compost and used as a soil conditioner
for trees, vegetables, and
fodder plants; the worms are fed to
fish, chickens, and quail.
• Chickens fertilize the trees and
keep weeds at bay. They also eat
spoiled fruit and the fruit fly larvae
that it contains.
• Other chickens and quail eat the
fodder plants and provide manure
(and eventually feathers and other
processing wastes) for worms,
black soldier fly larvae, and
composting systems.
The important thing about
microponics is that there is no
such thing as waste—everything
becomes part of the nutrient cycle.
Waste heat from chick brooders and
lights (and even the waste body
heat from animals or birds) can
be used to modify environments
in favour of other organisms.
The scope of such integrations is
limited only by one’s imagination.
The integration of fish, plants,
and microlivestock leverages the
volume and quality of the food
that we grow and it makes for a
healthier and more resilient food
production environment.
Our goal is to put clean, fresh
food on the dinner table, so we
use what works best—for the
fish, plants, microlivestock, and
other organisms, and that’s what
microponics is all about!
54 grow cycle

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JUNE 3 + JUNE 4
11 am to 6 pm 11 am to 5 pm
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groundbreakers
movers & shakers
Good Green
Earth Company
BUSINESS NAME
Good Green Earth Co.
BUSINESS ADDRESS
48 Dunnett Dr.
Barrie, ON. L4N 0J6
PHONE NUMBER(S)
1-705-984-6208
WEBSITE
goodgreenearth.ca
NUMBER OF YEARS
DOING BUSINESS
3
With a focus on composting organic waste, Good Green
Earth lives up to its name by using centuries-old sustainable
biotechnology called bokashi, where beneficial microorganisms
are used to compost organics, eliminate harmful pathogens
naturally, and create healthy soil that produces strong,
productive, disease-free plants. Company founder Gary Crowell
explains the reasons behind starting Good Green Earth.
How did your business get its start?
It started out as a necessity to deal
with our own home organic waste.
We found that traditional composting
wasn’t very effective and our organics
green bin had its own inherent issues,
including the smell and bugs. We
began work on creating a product that
would be specifically for the grower,
using probiotic principles in soil and
plants. The result is a living organic
soil amendment that infuses the soil
ecology with essential nutrients,
vitamins, minerals, and beneficial
microorganisms. We started
marketing the Bokashi Compost
System and Bokashi Culture Mix
as a sustainable solution to the
organic waste and landfill problems,
while at the same time creating a
premium compost. In the beginning,
we started out small, working out
of the home, producing the mix in
the garage, and then moved out to
the farm where there was a lot more
room and resources.
56 groundbreakers

with no foul odours or bugs. This rich
compost has twice the nutrient value and
moisture of traditional compost, with
none of the inherent issues associated
with regular compost.
What makes your products unique?
We produce the only probiotic bio-intensive
soil amendment in Canada. We inoculate
non-GMO Canadian wheat bran
with beneficial microbes, add a plethora
of vitamins, minerals, organic whole
food complex, amino acids, and special
agri-minerals mined in northern Ontario
and then put the mix through a unique
fermentation process. The end product
is a true living, organic, soil amendment
that can be used with organic or
conventional growing methods. Bokashi
PRO-GRO actually kills pathogens and
coliforms in the soil and plants as well
as create a density of nutrients and
minerals that is absent in most soils and
in all soilless mediums. This product can
be used through all stages of growth,
from rooted clone, vegging, through to
flowering cycles. It can also be used with
synthetic nutes and will cut down on
fertilizer usage. It also has applications
in a soil mix, as a top dressing, or as a
tea and foliar spray. The run-off is highly
beneficial to the environment.
How has the business evolved over the
years and where do you distribute?
We recently partnered with Home
Hardware to market our Bokashi
Compost Systems and Bokashi Plus
Culture mix nationwide under the My
Good Green Garden product line, and
we currently sell our products through
Homegrown Hydroponics and online
atgoodgreenearth.ca
Where do you see the
company in 10 years?
We expect to scale up our Bokashi
composting sector to include institutional
and commercial organic waste
programs. We want to be a leader in the
probiotic gardening products community
and educate the public on how to get
back to growing our medicine and food
the way it is meant to be done. We want
to put back into the soil what we take
out, leaving no negative mark of our
existence on this good green Earth.
What is your company’s philosophy?
To provide an environmentally
sustainable alternative to chemicals,
pesticides, and toxins, and to regenerate
our soils with all the essential elements
necessary to create and sustain a
strong, productive, disease-free garden.
We continue to strive to find new
solutions to today's problems with
regards to our air, soil, and water.
Briefly summarize the products
you manufacture.
Bokashi PRO-GRO is a living, organic,
fermented, soil amendment that builds
a strong disease- and pest-free soil
food web, resulting in strong, productive
plants. Bokashi Plus Culture mix is
a probiotic soil amendment, compost
accelerator, and natural odour control
using beneficial microbes in a fermented
wheat bran base. Bokashi Compost
System turns all food scraps, including
meats, cheese, and small bones into
nutrient-rich compost within weeks
This rich compost
has twice the nutrient
value and moisture of
traditional compost,
with none of the
inherent issues
associated with
regular compost.”
groundbreakers
57

groundbreakers
you tell us
Dr. Earth
PO Box 460 Winters, CA 95694
1-707-448-4676
drearth.com
26 Years in Business
“A Chance to Change the World”
Among the first companies to merge probiotics
with organic products, Dr. Earth’s strength lies in its
ability to innovate, create a family of manufacturers,
and use existing relationships to grow together.
The company owns three federal patents and
manufactures a complete line of organic fertilizers—
both dry and liquid —soils, controls, fungicides, and
OMRI-Listed weed killers. Based in California, they
now distribute in every US state and employ a staff
of 122. Founder and CEO Milo Shammas explains
how Dr. Earth has been expanding over three
decades and what lies at the heart of their success.
What did you and your partners do
before starting this company?
I founded the company when I was 25 years old in Los
Angeles, California. I worked in multiple industries prior
to Dr. Earth, including construction of custom homes with
my older brother as an architect and general contractor.
I worked in landscape installation during these
construction jobs. I also worked both in front and behind
the camera whenever I could, as I grew up with all the
major studios within walking distance from my home.
How did you get into this industry?
I was an organic gardener when I was seven years old
and took botany when I was 12 years old, while in
Grade 7. I loved plants and loved to grow them. I came up
with a fertilizer idea, which was to add living organisms
to organic fertilizers to make them work. And they did;
by the time I was 27 years old, I had single-handedly
changed the face of the lawn and garden industry.
What were the start-up years like?
Hard, exciting, full of promise. I was terrified and
had to beg, borrow, and work with what I had. I never
expected anything and everything was difficult
because it was new and I had no one to help me. Some
of my struggles included paying the bills and dealing
with regulations at the city, county, and state level.
That was the hardest. I asked as many people as I
could for advice how to overcome these challenges.
I was in desperate need of a mentor with experience.
58 groundbreakers

How many people were employed
by the company at the beginning?
In the first 18 months, it was just me and some migrant workers
I hired to help hand blend the fertilizers in my parents’
backyard until I could afford to rent a building in downtown
L.A. They also helped me formulate, buy, sell, clean, and cook.
What did you first produce?
Organic 7 all-purpose fertilizer. One product in one size.
How did you gain market share
and recognition?
I traveled all over America alone and gave product knowledge
meetings to as many retail locations as I could. I stayed on the
road, sometimes three weeks at a time, to teach everyone that
living organics were the future. It was hard and a daily battle,
but after about eight years, I gained validation and respect
for my work because several knock-off companies copied my
work, which gave me instant credibility.
What are some of your proudest moments?
When I was named the man that revolutionized the organic
industry by IGC Magazine and was featured on the front
cover, and when I wrote and got to hold the first copy of
my first book (Healthy Garden Healthy You). I was also
randomly invited to a backyard party once and saw
Dr. Earth fertilizer in their shed and introduced myself.
“ IT IS ONE OF THE most exciting
and fulfilling feelings anyone can
ever have because the company
becomes a living part of you.”
What significant things have you learned
so far about the industry?
It is the kindest industry, full of loving and caring people.
People that love plants are generally very good people.
I love our industry and am very proud to be a part of it.
What have you learned about starting
and growing a company?
It is one of the most exciting and fulfilling feelings anyone can
ever have because the company becomes a living part of you.
You nourish it every day, you care for it, you feed it, you love it,
it is like your child and one of the most important things to you.
It’s the greatest feeling ever.
What words of wisdom can you share
about the business, the industry,
or the future of the industry?
Keep on the path of innovation with a sustainable stance.
Share your favourite story from a day on the job.
Being filled with organic fertilizer dust from head to toe
because it’s all you have, with a few shovels and particle
masks. Doing things the old-fashioned way.
What makes your employees great?
How does your team bond?
They communicate regularly, they trust each other,
they respect each other, they care about each other,
and we are a family.
groundbreakers
59

THANK YOU TO OUR SPONSORS
Grow. Heal. Live. Enjoy.
MODERN GROWING

EXPERIENCE
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SAN JOSE, CA
June 3-4, 2017
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62 groundbreakers

groundbreakers
63

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your ad could be here.
distributors
retail stores listed alphabetically
by city in each province
ALBERTA
----------------------------------------------
IncrediGrow Garden Centre
103-7500 MacLeod Trail SE
CALGARY, AB T2H 0L9
403-255-0740
----------------------------------------------
Quick Grow
1-1204 Edmonton Trail Rd. NE
CALGARY, AB T2E 3K5
877-426-4769
Twins Greenhouse
13 - 2235 30th Ave., NE
CALGARY, AB T2C 7C7
403-273-2881
----------------------------------------------
Hydro-Lite
12249 Fort Rd.
EDMONTON, AB T5B 4H7
780-477-7860
----------------------------------------------
Niloc Wholesale Inc.
Box 82008 Yellowbird RPO
EDMONTON, AB T6J 7E6
780-885-4769
T & T Hydroponic
14925 112 Ave. NW
EDMONTON, AB T5M 2V6
780-452-9868
----------------------------------------------
Northern Lights
Indoor Gardening Centre
10108 100th Ave.
GRANDE PRAIRIE, AB T8V 0V5
780-538-3277
----------------------------------------------
The Grow Zone
6831-52 Ave.
RED DEER, AB T4N 4L2
403-356-9663
----------------------------------------------
BRITISH
COLUMBIA
Interior Gardener’s Supply
221 - 1 McDermid Rd., Box 1779
100 MILE HOUSE, BC V0K 2E0
250-395-3399
TLC Hydroponics and Garden
Supplies
3395 Okanagan St. PO Box #543
ARMSTRONG, BC V0E 1B0
250-546-9391
Jon’s Plant Factory
3925 E. Hastings St.
BURNABY, BC V5C 2H8
604-294-3000
----------------------------------------------
----------------------------------------------
Sun Beam Central
3444 River Rd.
CHEMAINUS, BC V0R 1K4
250-246-1379
----------------------------------------------
Valley Indoor
Greenhouse Supplies
103 - 44195 Yale Rd. West
CHILLIWACK, BC V2R 4H2
877-702-1169
----------------------------------------------
Sundogz Garden Supply
1824 Alberni Hwy.
COOMBS, BC V0R 1M0
250-954-2046
----------------------------------------------
Art Knapp
2855 Wentworth Rd.
COURTENAY, BC V9N 6B7
250-334-3024
----------------------------------------------
Progressive Growth
2459 Cousins Ave.
COURTENAY, BC V9N 3N6
250-334-8425
----------------------------------------------
Top Crop Garden,
Farm & Pet
2101 Cranbrook St. N
CRANBROOK, BC V1C 5M6
250-489-4555
Sunset Seed Company
1628 Canyon St.
CRESTON, BC V0B 1G0
250-428-4614
Cowichan Hydroponic Supplies
4 - 2955 Jacob Rd.
DUNCAN, BC V9L 6W4
250-746-0244
Duncan Plants & Ponics
6512 Bell McKinnon Rd.
DUNCAN, BC V9L 6C1
250-746-5591
Green Island Joe's
Garden Supply
994 Errington Rd., Unit 4
ERRINGTON, BC V0R1V0
250-586-2000
Sunshine Gardens
Greenhouse Superstore
5 - 1744 Kelly Douglas Rd.
KAMLOOPS, BC V2C 5S4
877-372-2270
----------------------------------------------
Clearoma Industries
P.O. Box 2627 Stn R.
KELOWNA, BC V1X 6A7
250-763-0056
----------------------------------------------
Pacific Northwest
Garden Supply -Kelowna
Unit C1 - 1810 Kyle Ct.
KELOWNA, BC V1Z 3Z4
250-769-4791
----------------------------------------------
Quick Grow Indoor
Garden Center
1945 Kirschner Rd.
KELOWNA, BC V1Y 4N7
250-861-3434
----------------------------------------------
Green Earth Garden Supplies
5654 Production Way.
LANGLEY, BC V3A 4N4
604-532-7106
----------------------------------------------
GreenStar Plant Products Inc.
9430 198 St. LANGLEY, BC V1M 3C8
604-882-7699
----------------------------------------------
OK Garden Supply
104 - 5498 267th St.
LANGLEY, BC V4W 3S8
604 607 7263
----------------------------------------------
Pacific Western
Garden Supplies
5785 203A St.
LANGLEY, BC V3A 1W7
604-510-4839; 778-898-5888
Excel Air Systems
200 - 20170 Stewart Cres.
MAPLE RIDGE, BC V2X 0T4
604-728-0757
----------------------------------------------
Pacific Northwest Garden
Supply - Maple Ridge
109 - 20110 Lougheed Hwy.
MAPLE RIDGE, BC V2X 2P7
604-465-4768
----------------------------------------------
Planting Plus Greenhouse
Supplies and Hardware
Unit 2 - 23382 River Rd.
MAPLE RIDGE, BC V2X 3J2
604-466-5949
Triple Tree Nurseryland
20503 Lougheed Hwy.
MAPLE RIDGE, BC V2X 2P9
604-465-9313
Gro Green Garden Supply
7260 Park St.
MISSION, BC V2V 6G8
604-814-4345
----------------------------------------------
check out the all-new
maximumyield.com
Hygro Gardening Supplies Inc.
1791 Tamarac St.
CAMPBELL RIVER, BC V9W 5Y7
250-286-0424
----------------------------------------------
Canadian Garden Supply
1730 Hwy. 3
CASTLEGAR, BC V1N 4W1
250-304-2911
---------------------------------------------
West Coast Hydroponic
Garden Shop
113 - 805 Notre Dame
KAMLOOPS, BC V2C 5N8
250-851-2992
----------------------------------------------
Aqua Gro Hydroponics
Supplies
Suite 101 2689 Kyle Rd.
KELOWNA, BC V1Z 2M9
250-769-7745
Better Than Nature Kelowna
207 Asher Rd.
KELOWNA, BC V1X 3H5
250-868-8978
Pacific Northwest
Garden Supply - Mission
#5-33111 London Ave.
MISSION, BC V2V 4P9
604-820-8815
----------------------------------------------
Hub City Hydroponics
105-50 Tenth St.
NANAIMO, BC V9R 6L1
250 591 8150
----------------------------------------------
64 groundbreakers

distributors
----------------------------------------------
Progressive Growth
41 - 1925 Bowen Rd.
NANAIMO, BC V9S 1H1
800-405-4769
----------------------------------------------
Tridon Hydroponics
12 - 1708 Bowen Rd.
NANAIMO, BC V9S 1G9
250-755-1900
----------------------------------------------
Pacific Northwest
Garden Supply - Nelson
Unit 14- 104 Silica St.
NELSON, BC V1L 4M1
250-354-4767
----------------------------------------------
Buckerfields
587 Alberni Hwy.
PARKSVILLE, BC V9P 1J9
250-248-3243
Better Than Nature Penticton
101 - 78 Industrial Ave., West
PENTICTON, BC V2A 6M2
250-770-8978
----------------------------------------------
Aurora Lighting and Sales
750 3rd Ave.
PRINCE GEORGE, BC V2L 3C5
250-564-9888
----------------------------------------------
Grow King Hydroponics
& Gardening Ltd.
833 4th St.
PRINCE GEORGE, BC V2L 3H5
250 612 5173
----------------------------------------------
PG2
1798 Nicholson St.
PRINCE GEORGE, BC V2N 1V6
250-612-4769; 1-888-817-4769
Spruce Capital Feeds
1694 Quinn St.
PRINCE GEORGE, BC V2N 1X3
250-564-6010
Omega Garden Inc.
1695 Peligren Pl.
QUALICUM BEACH, BC V9K 2S3
250-752-1301; 888 976 6342
Garden Effects
200-2288 #5 Rd.
RICHMOND, BC V6X 2T1
604-214-6620
Natural Choice
Garden Centre, The
5500 48th Ave., SE
SALMON ARM, BC V1E 1X2
250-832-7151
----------------------------------------------
-------
S.A. Ecoline Products Ltd.
5671 Auto Rd., SE
SALMON ARM, BC V1E 4S1
250-833-4769
----------------------------------------------
Nico’s Nurseryland
830 - 28th St., NE
SALMON ARM, BC V1E 2S7
250-804-2004
----------------------------------------------
Suncoast Hydroponics
#101-1862 Cosyan Pl.
SECHELT, BC V0N 3A1
604-885-6661
----------------------------------------------
Pacific Northwest
Garden Supply - Squamish
#101-39279 Queens Way
SQUAMISH, BC V8B 0T5
604-567-2227
----------------------------------------------
----------------------------------------------
Coast Pet & Plant Supplies
Unit 6 12342 83A Ave.
SURREY, BC V3W 0L6
604-599-1778
----------------------------------------------
PK Garden Wholesale
108 - 18760 96th Ave.
SURREY, BC V4N 3P9
604-888-2499
----------------------------------------------
Pacific Northwest
Garden Supply -Surrey
15374-103A Ave.
SURREY, BC V3R 7A2
604-588-4769; 800-443-4769
----------------------------------------------
BN Garden Supply
4493 Boundary Rd.
VANCOUVER, BC V5R 2N3
604-431-2977
----------------------------------------------
Pacific Northwest
Garden Supply - Vancouver
1772 Renfrew St.
VANCOUVER, BC V5M 3H8
604-254-4765
----------------------------------------------
U-Grow Garden Supplies
8265 Main St.
VANCOUVER, BC V5X 3L7
604-880-1111
----------------------------------------------
Fraser Valley Greenhouse
Supplies Ltd.
45653 Lark Rd.
VEDDER CROSSING, BC V2R 3N7
fraservalleygreenhouse.com
604-858-0455
----------------------------------------------
Advanced Garden Supplies
7979 Aspen Rd.
VERNON, BC V1B 3M9
250-545-9545
AJs Pets & Things
3219 - 31st Ave.
VERNON, BC V1T 2H2
250-549-3222
Better Than Nature Vernon
506 25th Ave.
VERNON, BC V1T 1P4
250-260-4466
Northern Lights Greenspace
3 - 2706 45th Ave.
VERNON, BC V1T 3N4
250-558-4757
----------------------------------------------
OK Garden Supply
12-4601 23rd St.
VERNON, BC V1T 4K7
778-475-6075
----------------------------------------------
Mr. Fertilizer
9 Burnside Rd., West
VICTORIA, BC V9A 1B2
250-381-4644
----------------------------------------------
Progressive Growth
Unit #111-1790 Island Hwy.
VICTORIA, BC V9B 1H5
250-391-9519
----------------------------------------------
----------------------------------------------
Good Guys Gardening Center
250 Mackenzie Ave. South
WILLIAMS LAKE, BC V2G 1C6
250-392-2069
----------------------------------------------
Halls Organics Inc.
107 Falcon Rd.
WILLIAMS LAKE, BC V2G 5G7
250-398-2899
----------------------------------------------
MANITOBA
Better Than Nature Winnipeg
414 Gertrude Ave.
WINNIPEG, MB R3L 1Y8
204-453-3032
Gro Pro International
Hydroponics
101-904 Porthee Ave.
WINNIPEG, MB R3G 0P4
204-956-1389
Kleen Gro Hydroponics
218 Osbourne St. South
WINNIPEG, MB R3L 1Z3
204-475-7096
----------------------------------------------
My Two Sons
2 - 2055 McPhillips St.
WINNIPEG, MB R2Y 3C6
204-339-3489
----------------------------------------------
Ready Set Grow!
375 Henderson Hwy.
WINNIPEG, MB R3C 2H2
204-668-GROW
----------------------------------------------
NEW BRUNSWICK
Canadian Green Products
811 Central St.
CENTERVILLE, NB E7K 2B9
506-276-3555
----------------------------------------------
Dieppe Hydroponics
988 Champlain St. Door #3
DIEPPE, NB E18 1P8
506-384-4769
----------------------------------------------
Scott’s Nursery Ltd.
2192 Route 102 Hwy.
LINCOLN, NB E3B 8N1
506-458-9208
Atlantic Hydroponics
& Greenhouses Inc.
42 Brandon St.
MONCTON, NB E1C 7E8
506-858-0158
Jardins Notik Gardens
798 Gray Rd.
ST. CHARLES, NB E4W 4N9
506-876-9100
NOVA SCOTIA
Mmad Hydroponics
4400 Second Division Rd.
DIGBY CO, NS B0W1M0
902-778-1922
Sweetleaf Smoke Shop
and Hydroponics
3132 Isleville St.
HALIFAX, NS B3K 3Y2
902-454-6646
Steve’s Hydroponics
Equipment
501 Sackville Dr.
LOWER SACKVILLE, NS B4C 2S1
902-865-7764
Greenfield Grow & Brew
69 Wilson Mountain Rd.
MURRAY SIDING, NS B6L 4N7
902-897-6568
----------------------------------------------
Lahave Street Hydroponics
8927 Commerical St.
NEW MINAS, NS B4N 3E1
902-681-4770
----------------------------------------------
Lahave Street Hydroponics
2304 Highway 325
OAKHILL, NS B4V 0E6
902-541-GROW (4769)
----------------------------------------------
Howie’s Happy Hydroponics
41 Fourth St.
TRENTON, NS B0K 1X0
902-755-3333
ONTARIO
----------------------------------------------
A World of Green Hydroponics
& Gardening Supplies
19 Church St. N. Unit C
ALLISTON, ON L9R 1L6
705-434-9669
----------------------------------------------
Canadian Hydrogardens Ltd.
1330 Sandhill Dr.
ANCASTER, ON L9G 4V5
905 648 1801
Homegrown Hydroponics Inc.
521 Dunlop St. West
BARRIE, ON L4N 9W4
705-721-8715
BMA Hydroponics
404A Maitland Dr., Unit 2
BELLEVILLE, ON K8N 4Z5
613-967-9888
----------------------------------------------
Growers Paradise
40 Regan Rd. Unit 11
BRAMPTON, ON L7A1B2
905-495-4040
----------------------------------------------
Homegrown
Hydroponics Inc.
79 Woolwich St. South
BRESLAU, ON N0B 1M0
519-648-2374
Agrogreen Canada Inc.
1938 Hwy. #20, RR#1
FONTHILL, ON L0S 1E6
866-650-1136
Bob’s Grow Mart
2255 Hwy 20
FONTHILL, ON L0S 1E6
905-892-2121
Diatomite Canada
1938 Hwy. #20, RR#1
FONTHILL, ON L0S 1E6
866-650-1136
Northern Lights
Green Supply
1938 Hwy. 20 (at 406), RR 1
FONTHILL, ON L0S 1E6
905-892-3743
----------------------------------------------
Brite-Lite Indoor
Garden Centre
1677 Cyrville Rd.,
Meadowbrooke Plaza
GLOUCESTER, ON K1B 3L7
613-842-8999
----------------------------------------------
Happy Hydroponics
68 Princess St.
HAMILTON, ON L8L 3K9
905-545-8434
----------------------------------------------
----------------------------------------------
Kingston Organics and
Hydroponics
1093 John Counter Blvd.
KINGSTON, ON K7K 6C7
(613) 542-9991
----------------------------------------------
Brite-Lite Indoor
Garden Centre
6-1659 Victoria St. N
KITCHENER, ON N2B 3E6
888-670-0611
----------------------------------------------
Indoor Gardener
4093 Meadowbrook Drive,
Unit 117 London, ON N6L 1G2
519-652-4224
----------------------------------------------
Best of Hydroponics
360 Richmond St.
LONDON, ON N6A 3C3
519-858-1533
Ontario Growers Supply
1 Adelaide St., North
LONDON, ON N6B 3P8
519-451-4769
Markham Hydroponics
95 Royal Crest Ct. 18
MARKHAM, ON L3R 9X5
905-305-0698
Iponic Zone
151 Brunel Rd., Unit 24
MISSISSAUGA, ON L4Z 2H6
905-502-7211
----------------------------------------------
Second Nature Hydroponics
4 - 2133 Royal Windsor Dr.
MISSISSAUGA, ON L5J 1K5
905-403-4769
----------------------------------------------
Yield of Dreams Hydroponics
559 Steven Ct. 12
NEWMARKET, ON L3Y 6Z3
877-778-7960
----------------------------------------------
Green Kingdom Hemp
1103 Cassells St.
NORTH BAY, ON P1B 4B3
705-494-7169
----------------------------------------------
Supply For You
3615 Weston Rd., Unit 6
NORTH YORK, ON M9L 1V8
416-741-8062
Koolie K. Hydroponics
25 James St. W. Unit 3
ORILLA, ON L3V8A6
705-896-7227
Paradise Gardens
Hydroponics
2158 Chiefswood Rd.
OSHWEKEN, ON N0A 1M0
519-445-2275
B&B Hydroponic
Gardens Inc.
3326 Limebank Rd., Unit #4
OTTAWA, ON K1V 1H2
613-723-5047
Hydro Culture
Emporium Inc.
7-1315 Richmond Rd.
OTTAWA, ON K2B 8J7
613-715-9472
Envirotex
PO Box 21069
PARIS, ON N3L 4A5
519-442-1237
Kawartha Garden Shop
724 Erskine Ave. Unit 2
PETERBOROUGH, ON K9J 5T9
705-775-2002
Peterborough
Hydroponic Center
32-347 Pido Rd.
PETERBOROUGH, ON K9J 6X7
705-745-6868
Sweet Hydroponic Gardens
776 Bruce St.
RENFREW, ON K7V 3Z8
613-433-9600
Bluewater Hydroponics
12-1173 Michener Rd.
SARNIA, ON N7S 5G5
519-337-7475
Indoor Gardens Canada
2952 Thompson Rd.
SMITHVILLE, ON L0R 2A0
905-957-6969
Green And Clean
761 Barrydowne Rd.
SUDBURY, ON P3A 3T6
800-246-5503
Greenthumbs Garden Supply
338 Kingston Rd.
TORONTO, ON M4L 1T7
647-345-GROW (4769)
----------------------------------------------
grow it all
hydroponics for everyone
Grow It All Hydroponics Inc.
165 Geary Ave., Unit 3B
TORONTO, ON M6H 2B8
416-588-9595
----------------------------------------------
Homegrown Hydroponics Inc.
26 Meteor Dr.
TORONTO, ON M9W 1A4
416-242-4769
Toronto Hemp Company
665 Yonge St.
TORONTO, ON M4Y 1Z9
416-920-1980
----------------------------------------------
Indoor Farmer
10 Wyman Rd., Unit 4
WATERLOO, ON N2V 1K7
519-886-9200
----------------------------------------------
Grower’s Choice
Hydroponics
1621 McEwen Dr. 14
WHITBY, ON L1N 9A5
905-725-GROW
Northern Lights Hydroponics
2690 Oulette Ave
WINDSOR, ON N8X 1L7
519-254-4015
Urban GreenHouse
Hydroponics
& Aquaculture
7635 Tecumseh Rd. E.
WINDSOR, ON N8T 3H1
519-944-8444
----------------------------------------------
Ozone Environmental
Technologies
361 Rowntree Dairy Rd. Unit-4
WOODRIDGE, ON L4L 8H1
905-264-6618
----------------------------------------------
QUEBEC
Un Monde Sans Terre
565 Beausejour
ALMA, QC G8B 5V3
418-480-3274
Hydro-Tonyque
761 Ave. Gilles Villeneuve
BERTHIERVILLE, QC J0K 1AO
450-836-8088
Gerard Bourbeau & Fils Inc.
8285, 1 re Ave.
CHARLESBOURG, QC G1G 5E6
418-623-5401
Simplement Vert
8B Georges-Gagne
DELSON, QC J5B 2E1
514-913-8378 (VERT)
Hydrosphere 2000
2400 rue Canadian, Suite 104
DRUMMONDVILLE,
QC J2C 7W3
819-478-9791
groundbreakers
65

distributors
Les Serres Binette Inc
2568 Boul. Mercurre
DRUMMONDVILLE,
QC J2A 1H2
819-478-7195
Pablo Jardinage
Drummondville
2080 Joseph St-Cyr
DRUMMONDVILLE,
QC J2C 8V6
819-475-2525
Les Entreprises Fernand
Pigeon Inc.
174 Beaudoin Nord
DURHAM-SUD, QC J0H 2C0
819-858-2777
Hydromax Gatineau
1695 Atmec #6
GATINEAU, QC J8P 7G7
819-663-7470
Naturexpert Inc.
828 Chemin du Sixième Rang
GATINEAU, QC J8R 3A4
Jardinages Gilles
Robert Inc.
574 St-Hubert
GRANBY, QC J0H 1Y5
450-375-3441
Méristème Hydroponique
871 Dufferin
GRANBY, QC J2G 9H8
450-991-1514
Jardinage d’intérieur
Huntingdon
72 Dalhousie
HUNTINGDON, QC J0S 1H0
450-322-6079
Hydromax du Nord
513 Boul St-François
LAC DES ÉCORCES,
QC J0W 1H0
819-278-1298
Hydroponique Plus Inc.
405 - 18 Ave.
LACHINE, QC H8S 3R1
514-634-3677
Biofloral
675 Montee, St. Francois
LAVAL, QC H7C 2S8
877-38-HYDRO
Espace Culture Boutique
17 boul. Ste-Rose Est
LAVAL, QC H7V 3K3
450-622-2710
Fernand Corbeil
Produits Horticoles -
Horticultural Products
17 boul. Ste-Rose Est
LAVAL, QC H7L 3K3
450-622-2710
Hydro Times
1533 Boul Cure Labelle
LAVAL, QC H7V 2W4
450-688-4848
Hydromax Laval
295 Boulevard Curé Labelle
LAVAL, QC H7L 2Z9
450-628-8380
Les Grands Jardins Lavel
2900, Boul. Cure-Lavelle
LAVAL, QC H7P 5S8
450-682-9768
----------------------------------------------
Qué-Pousse - Laval
940 Bergar
LAVAL, QC H7L 4Z8
450-667-3809
----------------------------------------------
Point De Vue
880 Chemin St-Féréol
LES CÈDRES, QC J7T 1N3
450-452-2878; 1-877-510-2991
Hydro Rive-sud
4721 Boulvard de la rive sud
LEVIS, QC G6W 1H5
418-835-0082
Boutique Grunge
364 Rue Sherbrooke
MAGOG, QC J1X 2S1
819-847-4141
Hydromax Mont-Laurier
388 Rue Hebert
MONT-LAURIER, QC J9L 2X2
888-609-4476
Hydroculture Guy Dionne
8473 - 19th Ave.
MONTREAL, QC H1Z 4J2
514-722-9496
Hydro Expert
12752 Industriel
MONTREAL, QC H1A 3V2
514-624-3091
Distribution De la Plante
5498 Hochelaga Suite 910
MONTREAL, QC H1N 3L7
514-255-1111
Hydromax Montreal
9300 Lajeunesse
MONTREAL, QC H2M 1S4
514-381-0111
Hydromax St-Henri
3522 Notre-Dame
MONTREAL, QC H4C 1P4
514-481-3939
International Hydroponique
5478 Hochelaga St.
MONTREAL, QC H1N 3L7
514-255-2525
Momentum
11289 London Ave.
MONTREAL, QC H1H 4J3
888-327-4595
Pousse Magique Atwater
3522 Notre-Dame, ouest
MONTREAL, QC H4C 1P4
514-481-393
----------------------------------------------
Qué-Pousse - Montreal
1477 Bégin
MONTREAL, QC H4R 1V8
514-489-3803
----------------------------------------------
Summum Bio Teck
2100 Ontario, est
MONTREAL, QC H2K 1V5
866-460-2226
Univert 4 Saisons
2100 Ontario, est
MONTREAL, QC H2K 1V5
514-527-2226
Vinexpert De L’Est
6384 Beaubien, est
MONTREAL, QC H1M 3G8
514-354-8020
XXXtractor Inc.
1228 St. Marc
MONTREAL, QC H3H 2E5
514-931-4944
----------------------------------------------
Qué-Pousse - Mont.
Tremblant
462 Montée Kavanagh
MONT-TREMBLANT, QC J8E
2P2
819-429-6145
----------------------------------------------
MegaWatt Hydroculture
636 Route 364
MORIN HEIGHTS, QC J0R 1H0
450-226-2515
Fleuriste Savard Inc.
1833 boul. Louis-Frechette
NICOLET, QC J3T 1M4
819-293-5933
Boutique Echologik
829, cote d’Abraham
QUEBEC, QC G1R 1A4
418-648-8288
Boutique Echologik
798 St. Jean
QUEBEC, QC G1R 1P9
418-648-2828
Hydroculture Guy Dionne
1990 Cyrill-Duquet Local 150
QUEBEC, QC G1N 4K8
418-681-4643
Pousse Magique
515 rue Lanaudiere
REPENTIGNY, QC J6A 7N1
450-582-6662
Fred Lamontagne Inc.
356 Chemin du Sommet Est,
RIMOUSKI, QC G5L 7B5
418-723-5746
Hydro Plus
149 ave. Principale A
ROUYN NORANDA,
QC J9X 4E3
819-762-4367
Ferme Florale Inc. (Botanix)
2190 Blvd. Laurier (route 116)
SAINT BRUNO DE MONTAR-
VILLE, QC, J3V 4P6
450-653-6383
Amazonia Hydroponique
394 Boulvard Arthur-sauve
SAINT-EUSTACHE, QC J7R 2J5
450-623-2790
Pépinière Eco-Verdure
965 Boul. Sauvé
SAINT-EUSTACHE, QC J7R 4K3
450-472-6474
----------------------------------------------
P.P.M. Hydroponique
504 Rue du Parc
SAINT-EUSTACHE, QC J7R 5B2
450-491-2444
----------------------------------------------
Rap Hydroponique
5700, rue Martineau Local 7
SAINT-HYACINTHE, QC J2S
8B1
450-768-5188
Hydrotek
12300 Rue de l’avenir
SAINT JANVIER, QC J7J 2K4
St-Jean Hydroponique
747 rue St-Jacques
SAINT JEAN-SUR-RICHELIEU,
QC J3B 2M9
450-346-9633
Chanvre du Nord Inc.
38 DeMartigny est
SAINT-JÉROME, QC J7Z 1V4
866-565-5305
Culture Uni Vert
36 rue de Martigny E
SAINT-JÉRÔME, QC J7Z 1V4
Stephomaxx
240 Du Macon
SAINT-JÉRÔME, QC J7Y 0H4
514-917-5133
Hydro Sciences
4800 de la Cote-Vertu Blvd.
SAINT-LAURENT, QC H4S 1J9
514-331-9090
Pablo Jardinage Shawinigan
5023 Boulevard Royal
SHAWINIGAN, QC J9N 6T8
819-731-9766
Sherbrooke Hydroponique
3545 King est
SHERBROOKE, QC J1G 5J4
819-829-9299
Comptoir Richelieu Inc.
350, du Collège
SOREL-TRACY, QC J3P 6T7
800-363-9466
----------------------------------------------
Qué-Pousse - St-Constant
6264 Route 132
STE-CONSTANT, QC J0L 1E0
450-635-4881
----------------------------------------------
Hydrobec
2145 Lavoisier Suite 4
STE-FOY, QC G1N 4B2
418-687-1119
Benoit Dupuis
Extincteurs Inc.
2503 Victoria St.
STE-JULIENNE, QC J0K 2T0
450-831-4240
Hydroponique 2000
84 Boul. Curé Labelle
STE-THERESE, QC J7E 2X5
450-971-0726
Hydromax Terrebonne
1674 Chemin Gascon
TERREBONNE, QC J6X 4H9
450-492-7447
Hydromax Trois-Rivières
6157 rue Corbeil
TROIS-RIVIÈRES OUEST,
QC G8Z 4P8
819-372-0500
Pablo Jardinage Intérieur
2 Des Ormeaux Suite 500
TROIS-RIVIÈRES,
QC G8W 1S6
819-693-6000
Rap Hydroponique
326 Rue Vachon
TROIS-RIVIÈRES, QC G8T 8Y2
819-376-5959
Hydromax Val-David
895 route 117 nord
VAL-DAVID, QC J0T 2N0
888-320-0129
Val d’Or Hydroculture
1261 3e Ave.
VAL D’OR, QC J9P 1V4
Horticulture Piégo
228 Pierre Bertrand sud
VANIER, QC G1M 2C4
418-527-2006
----------------------------------------------
Qué-Pousse -
Vaudreuil-Dorion
3666-D, boul. Cité des Jeunes
VAUDREUIL-DORION, QC
J7V 8P2
450-424-0306
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Centre Jardin Denis Brodeur
15 Nord C.P. 658
WATERLOO, QC J0E 2N0
Sonador Horticulture Inc.
819-479-2941
SASKATCHEWAN
Busy Bee Upholstery
Box 811, 134 5th Ave. East
GRAVELBOURG, SK S0H 1X0
306-648-3659
B&B Hydroponics
and Indoor Gardening
1404 Cornwall St.
REGINA, SK S4R 2H7
306-522-4769
Waterboy Supply
401 Dewdney Ave. East
REGINA, SK S4N 4G3
306-757-6242
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Whole Leaf Healing Tree Inc.
1342 Lorne St.
REGINA, SK S4R 2K1
306-533-8733
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YUKON, NUNAVUT
AND NORTHWEST
TERRITORIES
Porter Creek Indoor
Garden Centre
1307 Centennial St.
WHITEHORSE, YT Y1A 3Z1
867-667-2123
Interested in carrying Maximum Yield in your store? Distribution is available by
contacting Brite-Lite Group, Eddi’s Wholesale, Green Planet Wholesale, Greenstar
Plant Products, Growers Paradise, Biofloral, Quality Wholesale, or Hydrotek.
Already a distributor? Call 1-250-729-2677 to update your listing.
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