Meters & Testers

Bluelab pH Probe KCl Storage Solution 100mL

$12.00

Bluelab pH Probe KCl Storage Solution is made specifically for use with Bluelab pH products. It is designed to increase response time and maximize the life of Bluelab pH pens and pH probes. For best results, KCl storage solution should be used to store...

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CTS Waterproof EcoTestr TDS

$104.90

The Oakton® CTS EcoTestr TDS offers all-in-one measurement of conductivity, TDS and salinity in one meter. TDS reading ranges from 0 to 20 ppt with a resolution of 10 ppm up to 2 ppt, and 0.1 ppt over 2 ppt. The expanded four-digit dual-line display...

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General Hydroponics pH Control Kit

$16.99

Keep your pH Perfect!pH Test Indicator General Hydroponics pH Test Kits make pH testing easy. Simply fill a test-tube halfway with nutrient, add a few drops of pH Test Indicator, and observe the coloration of the liquid in the test vial. Many growers...

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HM Digital pH Electrode Storage Solution, 60cc

$7.00

The conveniently sized HM Digital pH Electrode Storage Solution is made for use with pH meters. For proper care, sensors should always be kept in an electrode storage solution. This specially formulated KCI solution comes with a combination twist-off and...

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Luster Leaf Rapitest pH Soil Tester

$5.95

Why Test Your Soil? Plants need the correct pH (acidity/alkalinity) level which controls how well plants utilize the nutrients available in your soil.  All plants have a pH preference, so it is important to know the pH level of your soil.  You can then...

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Mondi Mini Greenhouse Thermo-Hygrometer

$14.99

Mondi Mini Greenhouse Thermo-Hygrometer Ensure the perfect temperature and humidity for plants through all growing stages with the Mondi Mini Greenhouse Thermo-Hygrometer. The thermo-hygrometer measures minimum and maximum temperature and humidity and...

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