2018-2019 Horticultural Catalog

Peters Professional ®
• The “Original” water soluble fertilizer solution that set the
industry standard
• Broad range of formulations
• Highest quality, soluble ingredients and chelated micronutrients
• There are products for every crop or crop type, including formulas
with exclusive M-77® micronutrient package
Peters Professional ®
Peters® A B+C selection process quickly identifies the best
Peters® formulations for your crops, making it easy to select the
right product for efficient and effective plant nutrition.
Water quality is the heart of this new system of fertilizer selection.
Once you know if your water is Type 1, 2, 3, or 4, you can quickly
identify the best Peters® formulations for the plants you’re
growing.
IDEAL FOR
WATER TYPE 1
1 2 3 4
0 60 150 200 240+
Low
High
Alkalinity PPM CALCIUM CARBONATE
Alkalinity
All-Purpose
Formulation
Base
Formulation
Customizing
Component
WATER TYPE
3-4
Acid Special 21-7-7
Produce healthy, acid-loving crops, with this formula’s
high potential acidity that offsets high water alkalinity or lowers pH levels
in growing media. Contains extra iron to promote greening. NH4: 10.4%;
Urea: 10.6%; EC per 100 ppm N: 0.52 mS/cm; 100 ppm N @ 1:100: 6.4
oz/gal conc.; 1 level tsp/gal = 245 ppm N; CCE: 1518/lb CaCO3
General Purpose 20-10-20
1-4
Crops that are sensitive to excess micronutrients,
thrive with this classic formula with its acidifying action that corrects
an overload of growing media pH. NO3: 12%; NH4: 8%; EC per 100
ppm N: 0.62 mS/cm; 100 ppm N @ 1:100: 6.8 oz/gal conc.; 1 level
tsp/gal = 305 ppm N; CCE: 404/lb CaCO3
General Purpose 20-20-20
2-4
When growing media contains mineral soil, this
formula provides acidifying action to help combat excessive pH. Also,
use when reduced micronutrients are desired. NO3: 5.5%; NH4: 4.1%;
Urea: 10.4%; EC per 100 ppm N: 0.41 mS/cm; 100 ppm N @ 1:100:
6.8 oz/gal conc.; 1 level tsp/gal = 238 ppm N; CCE: 576/lb CaCO3
Hydroponic Special 5-11-26
1-4
Designed for hydroponics, this classic formula is
ideal for most hydroponic crops, especially tomatoes,
cucumbers and lettuce. Buffered to maintain pH. NO3: 5%; EC per
100 ppm N: 1.45 mS/cm; CCE: 215/lb CaCO3
Peat-Lite Dark Weather 15-0-15
Classic high-nitrate formula for bulbs or any crop that
needs extra calcium and magnesium, lower phosphate and slightly
higher growing media pH. NO3: 13%; NH4: 2%; EC per 100 ppm N:
0.71 mS/cm; 100 ppm N @ 1:100: 9.0 oz/gal conc.; 1 level tsp/gal =
188 ppm N; CCE: 221/lb CaCO3
Peat-Lite Flowering Crop
Special 15-5-25
Proven high-nitrate, lowphosphate
formula for
poinsettias and many other
flowering crops that are sensitive to boron.
Contains extra magnesium, plus a full range of
essential micronutrients. NO3: 10.7%; NH4:
4.3%; EC per 100 ppm N: 0.77 mS/cm; 100 ppm
N @ 1:100: 9 oz/gal conc.; 1 level tsp/gal = 225
ppm N; CCE: 48 /lb CaCO3
See page 223 for
Alkalinity Testers
1-4
1-2
*Truck Ship Only
A - One bag of A formulation can take the place of several cropspecific
fertilizers. Each has been tested and proven to work over a
broad range of plant types.
B - The base formulations are many of the same Peters® products
that growers have come to know. They can be used alone, rotated and
sometimes used with a custom product to mitigate water quality.
C - Custom blends are used to fine tune unique nutritional needs for
certain crops.
WATER TYPE
1-4
Peat-Lite High Mag
Special 18-8-17
Highly effective, stand-alone fertilizer, with extra
magnesium to maintain deep-green foliage. Stand-alone for types
3 and 4. “B” in types 1 and 2. NO3: 10.7%; NH4: 7.3%; EC per 100
ppm N: 0.65 mS/cm; 100 ppm N @ 1:100: 7.5 oz/gal conc.; 1 level
tsp/gal = 267 ppm N; CCE: 381/lb CaCO3
Peat-Lite Plant Starter 10-30-20
Useful when transplanting, before bloom initiation or
whenever more phosphate is required. NO3: 5%; NH4: 5%; EC per
100 ppm N: 0.86 mS/cm; 100 ppm N @ 1:100: 13.5 oz/gal conc.; 1
level tsp/gal = 129 ppm N; CCE: 365/lb CaCO3
Peat-Lite Special 15-16-17
The perfect 1:1:1 N-P-K formulation for geraniums
raised in soilless media. NO3: 7.9%; NH4: 3.1%; Urea: 4%; EC per
100 ppm N: 0.62 mS/cm; 100 ppm N @ 1:100: 9 oz/gal conc.; 1
level tsp/gal = 197 ppm N; CCE: 202/lb CaCO3
Peat-Lite Special 20-10-20
Versatile formula can be used in year-around
operations; acidifying action corrects excessive pH in growing
media. NO3: 11.9%; NH4: 8.1 %; EC per 100 ppm N: 0.59 mS/cm;
100 ppm N @ 1:100: 6.8 oz/gal conc.; 1 level tsp/gal = 284 ppm N;
CCE: 415/lb CaCO3
Liquid S.T.E.M.
Industry standard micronutrient supplement, now in
2-4
2-4
1-4
1-4
a convenient, ready-to-mix liquid formulation. Goes from the jug to
the tank in one easy step with no solubility issues. Drench: 2-8 oz/100
gallons of water Foliar Spray: 2-4 oz/100 gallons of water
Catalog Price per Each
25 LB BAG Analysis Number 1-9 10-79 80 & up
Acid Special 21-7-7 07-55000 $ 29.40 $ 27.20 $ 24.20
* General Purpose 20-10-20 07-54050 38.10 35.10 31.30
General Purpose 20-20-20 07-54000 39.40 36.30 32.30
Hydroponic Special 5-11-26 07-55700 44.50 41.10 36.60
Peat-Lite Dark Weather Feed 15-0-15 07-54680 36.30 34.49 32.67
* Peat-Lite Flowering Special 15-5-25 07-55670 39.80 36.70 32.70
* Peat-Lite High Mag Special 18-8-17 07-55620 37.20 34.40 30.60
Peat-Lite Plant Starter 10-30-20 07-54200 47.90 44.20 39.40
Peat-Lite Special 15-16-17 07-55630 42.30 39.00 34.70
* Peat-Lite Special 20-10-20 07-55610 38.90 35.90 32.00
1-9 10-49 50 & up
Liquid S.T.E.M. (2.64 Gal) 0-0-0 07-56020 98.50 91.50 85.50
178 800-325-3055
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