2018-2019 Horticultural Catalog
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2018-2019 Horticultural Catalog

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®<br />

electrical conductivity (EC) information<br />

Soilstik pH Meter Flat Surface Electrode<br />

pH: 0 – 14<br />

Temperature: 23 – 194°F; -5 – 90°C<br />

RESOLUTION pH:0.01<br />

ACCURACY pH: ± .01<br />

POWER<br />

DIMENSIONS 1.4 x 6.8 x 1.6”<br />

Model 42-5311-1<br />

• The salinity of the soil, irrigation water or fertilizer solution is an important parameter<br />

affecting the root zone environment of your plants, which can have a significant affect<br />

on the plant growth and quality<br />

• The presence of high salt levels is your warning sign to make adjustments<br />

• Don’t wait for trouble — forecast before the damage shows in your plants<br />

• The Field Scout Direct Soil EC Meter is designed with state-of-the-art<br />

sensor technology<br />

• Our exclusive paired sensor tip provides maximum soil-sensor contact<br />

and higher accuracy<br />

• Greenhouse production managers can compare<br />

readings from plant to plant, for quick representative<br />

readings and is agile enough for sampling<br />

directly in plug trays, pots and containers<br />

• Includes case, calibration standard and battery<br />

What is conductivity?<br />

Conductivity (measured in ppm, EC, TDS, CF) is the total soluble salts contained within a liquid<br />

solution. Pure water does not contain salts, so it has a conductivity measurement of zero. By<br />

adding soluble elements to the water, electricity is able to move through the solution giving it a<br />

conductivity rating.<br />

Why is it important?<br />

Using hydroponics as an example, different crops grow well at different levels of nutrient strength<br />

(Electrical Conductivity - EC). Controlling this nutrient strength is all important in providing the<br />

best conditions for your crop. Without proper measurement your crop could fail from root burn<br />

brought on by too high a nutrient level, or death by natural causes from not receiving the vital<br />

elements they need to grow.<br />

Different crops grow well at different levels of nutrient strength. It is important to control the<br />

nutrient strength to provide the conditions in the root zone which provide maximum uptake of<br />

balanced nutrition into the plant, while minimizing stress.<br />

For each crop there is a range in which the nutrient strength is optimal, providing enough nutrient<br />

for growth, but not so strong that the concentration of salts in the plant gets too high. Electronic<br />

meters are available to measure the conductivity of the nutrient solution.<br />

Acidic<br />

Neutral Alkaline<br />

pH<br />

Two 3v CR2032 button batteries<br />

Field Scout Direct Soil EC Meter<br />

Model/Description <strong>Catalog</strong> # Each<br />

FS Direct EC Meter 42-53120 $ 430.00<br />

Battery Acid<br />

Gastric Acid<br />

Hydrochloric<br />

Acid<br />

Soda<br />

Acid Rain<br />

Black Coffee<br />

Urine/Saliva<br />

Pure Water<br />

Sea Water<br />

Baking Soda<br />

Milk of<br />

Magnesium<br />

Ammonia<br />

Soapy Water<br />

Bleach<br />

Drain Cleaner<br />

pH levels are important in soils, irrigation water and spray tank water. Soil and water pH is the single<br />

most important aspect in determining nutrient availability to crops. The pH levels in spray tanks determine<br />

the effectiveness of pesticides. The SoilStik pH Meter’s flat surface electrode, measures pH in soils, semisolids,<br />

solids and liquids. No more electrode breakage<br />

or clogged junctions. An indicator tells you when it’s<br />

time to replace your electrode and when to re-calibrate<br />

the meter – which eliminates guesswork. Temporary<br />

memory recalls up to 15 sequentially tagged readings<br />

for easy recall. Automatic temperature compensated – simultaneously displays pH<br />

level and temperature of sample. Waterproof design floats in water and protects the<br />

meter in wet environments. Includes batteries, pH 4 and 7 solutions and soft case.<br />

Warranty: 1 year on meter; 6 months on sensor.<br />

SoilStik pH Meter Flat Sensor - Replacement<br />

Refill Solutions (pH 4 & 7)<br />

<strong>Catalog</strong> Price Per Each<br />

<strong>Catalog</strong> Price Per Each<br />

<strong>Catalog</strong> Price Per Each<br />

Number 1-4 5 & up<br />

Number 1-4 5 & up<br />

Number 1-4 5 & up<br />

42-53400 $ 160.00 $ 155.00<br />

42-53440 $ 67.75 $ 65.75<br />

42-54300 $ 33.80 $ 32.80<br />

MEASUREMENTS IN 3 EASY STEPS...<br />

1. WATER...<br />

2. WAIT 30 MINUTES...<br />

3. TAKE YOUR MEASUREMENTS!<br />

RESOLUTION EC: 0.01 µS/cm<br />

ACCURACY EC: ±2% F.S..<br />

Automatic temperature compensation<br />

Electrical Conductivity (EC)<br />

Information<br />

Know the conductivity of<br />

your nutrient solution with an<br />

electronic ppm / EC meter from<br />

Bluelab found on pages 218 & 219<br />

216 800-325-3055<br />

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