US$ 99.99
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01% (under 3%)
Total Dissolved Solids (TDS)
monitoring a hydroponic reservoir
Most marine systems target 1
HM Digital Ph Meter PH-80 HM Digital DM-2 01% (under 3%)PH 80: pH HydroTester Series The PH 80 has proven to be the MOST reliable pH meter in its price range. It has become a favorite in such applications as hydroponics & gardening, pools & spas, aquariums & reef tanks, water ionizers, drinking water, and more. FEATURES Measures pH and Temperature One touch automatic digital calibration Water resistant Simultaneous temperature display Large LCD display Automatic Temperature Compensation (ATC) Auto off
US$ 99.99
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