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Gardeners can conveniently test their moisture, and pH levels with the handy ActiveAir 2-Way Meter. Moisture readings register on a scale of 0 (dry)... |
$7.95
Sale: $7.00
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Gardeners can conveniently test their moisture, light, and pH levels with the handy ActiveAir 3-Way Meter. Moisture readings register on a scale of 0... |
$9.95
Sale: $8.76
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The world's favourite nutrient meter! With its super tough, high quality, fully waterproof design, no calibration required, daylight readable blue... |
$135.00
Sale: $118.80
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The pHep® revolutionized the pH industry by providing non-technical personnel with a simple, inexpensive solution to accurate pH measurement. HI... |
$69.95
Sale: $61.56
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The pHep®5 tester is for users that require the greatest accuracy and features while staying economical. Waterproof and designed to float Automatic... |
$113.95
Sale: $100.28
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DiSTs are rugged and reliable pocket-sized testers that offer quick and accurate readings of conductivity or TDS. The DiST® family of testers is... |
$69.95
Sale: $61.56
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When the original DiST® (Dissolved Solids Tester) was first introduced, conductivity and total dissolved solids measurements became easy and... |
$130.95
Sale: $115.24
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HI 98129 is a waterproof tester that offers high accuracy pH, EC/TDS and temperature measurements in a single tester! No more switching between... |
$197.95
Sale: $174.20
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HI 9813-6 is a versatile, water resistant, multiparameter portable instrument specifically designed for agricultural applications such as... |
$275.95
Sale: $242.84
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Set-up is simple. Install the HI 981504 near the sample to be tested, plug the indicator in and immerse the probes. pH, TDS and temperature... |
$229.95
Sale: $202.36
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The HI 98331 Soil Test™ is a pocket tester specifically designed to directly measure soil conductivity and temperature. With a temperature sensor in... |
$125.00
Sale: $110.00
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HI 981404N is ideal for agricultural, horticultural and hydroponics applications where pH and TDS levels need to be continuously monitored for... |
$195.95
Sale: $172.44
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This indicator continuously monitors the three most crucial nutrient parameters in hydroponic, greenhouse and horticultural applications. At start... |
$198.95
Sale: $175.08
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The Primo series of testers provide a fast and dependable way to measure the total dissolved solids or conductivity in your water samples. It is... |
$39.95
Sale: $35.16
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The pH Checker® series supplies users with fast and accurate readings from 0 to 14 pH with a resolution of 0.01 pH. This compact tester features... |
$39.95
Sale: $35.16
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The Champ® revolutionized the pH industry by providing non-technical personnel with a simple, inexpensive solution to accurate pH measurement. HI... |
$61.95
Sale: $54.52
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The pH indicator HI 981401N has been designed to meet the grower's need for equipment suited to the aggressive environments found in agricultural and... |
$111.95
Sale: $98.52
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This meter has been engineered with a host of features suited for the aggressive environments commonly found in agricultural applications. Housings... |
$111.95
Sale: $98.52
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The Original 3 in 1 meter. Accept no substitutes! Simultaneously monitor nutrients, pH, and temperature. The nutradip® Tri-Meter, with automatic... |
$233.95
Sale: $205.88
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Replacement batteries used in most HANNA testers. |
$6.95
Sale: $6.12
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