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pH Cleaning & Calibration Solution Kit (HI pHKit) Attractive, easily shelved packaging, with both written and photographic instructions on solution use. Aggressively priced to encourage customers to purchase more maintenance solutions.
Includes five each of pH 7.01, pH 4.01, and cleaning solution (20 mL sachets)... — Ships from Seattle, Washington USA...more.
RAPITEST SOIL pH METER Rapitest Soil pH Meter [model 1840]
SOIL PH METER Model 1840
Instantly tells you how acid or alkaline your soil isCheck which plants suit your gardenEnables you to alter soil conditionIncludes pH preferences for over 400 plants.
Manufacturer's Product Information
2007 MSRP Each $19.95
Case Weight2.18 ... ...more.
AQUA TEST PHD PH TEST KIT 12/CS Elos pH Fresh Water - Test Kit
The activity of the bio-filter in the aquarium system can be divided in mineralization and nitrification.
The product of the mineralization process are ammonia and organic acids. The next step of decomposition is the oxidation (nitrification) of ammonia and ammonium to Nitrite (NO2).
Nitrite has a toxic effect on fish because it oxidizes hemo... Note: Calibration Buffer Solutions are available separately.This item is sold individually....more.
pH & EC Cleaning & Calibration Kit Attractive, easily shelved packaging, with both written and photographic instructions on solution use. Aggressively priced to encourage customers to purchase more maintenance solutions.
Includes five each of pH 7.01, 1413 uS/cm, and cleaning solution (20 mL sachets)... — Ships from Seattle, Washington USA...more.
ECOPLUS® WIRELESS REMOTE SENSOR FOR USE WITH 716555 Available Monday 24 June, 2013 For EcoPlus® Digital Thermometer/Hygrometer WIRELESS REMOTE SENSORAbout thermometer:
Large screen digital readout.
Wireless sensor transmits up to 50 feet.
Expandable to accept 2 additional sensors.
Waterproof casing is chemical and UV resistant.
Displays degrees in F or C.
2 AA batteries included.
Wireless Sensor:
For use with EcoPlus Digital Thermometer & Hygrometer... ...more.
716557
$15.60
Grow More pH Up 30% Gallon (4/Cs) Grow More pH Up 30%Grow More pH Up 30% Gallon (4/Cs) (721865)Convenient ready to use liquids, concentrated, fast acting, high purity food grade ingredients. Use pH Up to raise pH of nutrient solution with potassium hydroxide. Not registered in Washington or Oregon at this time.
Manufacturer's Product Information
... This item is sold individually....more.
721865
$16.14
Grow More pH Down 30% Gallon (4/Cs) Grow More pH Down 30%Grow More pH Down 30% Gallon (4/Cs) (721875)Convenient ready to use liquids, concentrated, fast acting, high purity food grade ingredients. Use pH Down to lower pH of nutrient solution with phosphoric acid. Not registered in the state of OR at this time.
Manufacturer's Product Information
... This item is sold individually....more.
Rapitest Digital Plus Moisture Meter New
digital technology take the guess out of determining the watering needs
for lawns, flowers, shrubs and houseplants. The Rapitest Digital Plus
Rapitest Digital Plus Moisture Meter
Soil Moisture Meter is programmed with moisture requirements for over
150 vegetables, landscape plants, healthy perennials and vigorous house
plants. The meter's numeric format is easy to read. ... ...more.
EC 1.413 CALIBRATION/BOX OF 25 SACHETS EC 1.413 Calibration/Box of 25 Sachets (CAL-3)MILWAUKEE WATERPROOF PENS The Milwaukee Waterproof Pen series of EC, TDS (PPM) and pH pens allow you to monitor your nutrient solution for best plant growth. They all feature replaceable electrodes for long life. The batteries will last 1500 hours of use. The pH pen will measure from 0 to 14.0 pH. The EC and TDS pens have automatic tem... — Ships from Perris, California; Cranston, Rhode Island; Portland, Oregon; Aurora, Colorado; Dallas, Texas USA...more.
CAL-3
$16.85
Moisture Meter. RAPITEST MOISTURE METER (PROBE TYPE)... — Ships via UPS from Portland, Oregon USA...more.
Soil Test Kit. Rapitest Garden Soil Test Kit. 4 Separate Tests (pH, Nitrogen, Phosphorus, Potassium)... — Ships via UPS from Portland, Oregon USA...more.
Meters, Timers & Instruments 
