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Meters, Timers & Instruments: pH, EC, PPM & TDS Testers: pH, EC, PPM & TDS Meters, Monitors, Testers, Pens & Test Kits for Water & Soil

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Displaying 33 to 48 (of 260 products) Result Pages: [<< Prev]   1  2  3  4  5  6  7  8  9  10  11  12 ...  [Next >>] 
 Sort by Popularity   Manufacturer   Product(s)   Model   Price+   Buy Now 
 pHydrion Litmus Paper. (ph Test Strip)      pHydrion Litmus Paper. (ph Test Strip) 
pHydrion PAPERS. LITMUS PAPER ROLL (LIQUIDS ONLY) Range of 5.5-8.0 ph Test Strip Paper... — Ships via UPS from Portland, Oregon USA...more.
 HY187   $12.95 
 OAKTON 1413 CONDUCTIVITY SOL. 500ML   Oakton   OAKTON 1413 CONDUCTIVITY SOL. 500ML 
Oakton® 1413 TDS Solution... ...more.
 716114   $13.12 
 HANNA PH 1413 uS/CM CAL SOL 16OZ 12/CASE   Hanna Instruments   HANNA PH 1413 uS/CM CAL SOL 16OZ 12/CASE 
Hanna 1500PPM and 1413 uS-CM Calibration Solutions MSRP: $19.49... Note: Calibration Buffer Solutions are available separately. This item is sold individually....more.
 716860   $14.77 
 HANNA PH 1500PPM CAL SOL. 16 oz 12/CASE   Hanna Instruments   HANNA PH 1500PPM CAL SOL. 16 oz 12/CASE 
Hanna 1500PPM and 1413 uS-CM Calibration Solutions MSRP: $19.49... Note: Calibration Buffer Solutions are available separately. This item is sold individually....more.
 716855   $14.77 
 RAPITEST SOIL pH METER   Luster Leaf Products, Inc.   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.
 716750   $15.00 
 AQUA TEST PHD PH TEST KIT 12/CS   ELOS   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.
 731450   $15.29 
 HANNA PH/TDS PEN BATTERIES 12/PACK   Hanna Instruments   HANNA PH/TDS PEN BATTERIES 12/PACK 
Hanna Batteries For PH-TDS Pens 12 Pack MSRP: $19.95... ...more.
 716865   $15.50 
 ECOPLUS® WIRELESS REMOTE SENSOR FOR USE WITH 716555   ECOPLUS   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 
 Rapitest Digital Plus Moisture Meter   Luster Leaf Products, Inc.   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.
 716905   $15.68 
 pH Cleaning & Calibration Solution Kit (HI pHKit)   Hanna Instruments   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.
 eco-5524C   $16.02 
 Grow More pH Up 30% Gallon (4/Cs)      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% 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.
 721875   $16.14 
 pH & EC Cleaning & Calibration Kit   Hanna Instruments   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.
 eco-5524D   $16.43 
 EC 1.413 CALIBRATION/BOX OF 25 SACHETS   C.A.P. Custom Automated Products   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.      Moisture Meter. 
RAPITEST MOISTURE METER (PROBE TYPE)... — Ships via UPS from Portland, Oregon USA...more.
 MI210   $17.95 
 Soil Test Kit.   Luster Leaf Products, Inc.   Soil Test Kit. 
Rapitest Garden Soil Test Kit. 4 Separate Tests (pH, Nitrogen, Phosphorus, Potassium)... — Ships via UPS from Portland, Oregon USA...more.
 MI429   $17.99 
Displaying 33 to 48 (of 260 products) Result Pages: [<< Prev]   1  2  3  4  5  6  7  8  9  10  11  12 ...  [Next >>] 
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PurGro 1K4 Flip 1K4 Eight Output 4000W individually dimmable ballast
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HANNA WATERPROOF PH/EC/TDS/TEMP (HI98129)
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