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Meters & Testers

Bluelab EC Solution 250mL

$8.00

Bluelab EC Solution is used as a reference or checking solution to ensure the cleanliness and proper functionality of EC/CF probes.

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...

General Hydroponics pH Control Kit

$17.50

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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Grow1 Wireless Weather Station with sensor

$32.99

The Grow1 Wireless Weather Station + Sensor is the perfect system to help keep track of the temperature and humidity in multiple grow rooms or greenhouses. The station comes with 1 sensor, but can pair with up to 3, each with a wireless range of up to...

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HANNA Checker pH Tester

$40.50

The pocket-sized HANNA® Checker® pH Tester. This reliable device features simple two-point calibration and measures pH from 0.0 to 14.0, with a resolution of 0.01 and accuracy of ± 0.2. Unit includes replaceable electrode and batteries...

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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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