HM Digital Ph Meter PH-80 hard shell case Long-lasting: Mineral stones last up

Long-lasting: Mineral stones last up to 2 years

the resolution is in 10 ppm increments

and trace minerals — the same mineral profile found in pristine mountain spring water

The fully adjustable relay control is set by the user to automatically stop a pump or valve if the level rises above the setting

HM Digital Ph Meter PH-80 hard shell case Long-lasting: Mineral stones last upPH 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