HM Digital COM-80 + PH-80 Meter COMBO PH TDS EC PPM Pocket Tester pH 4.01 calibration Manufactured from NSF/ANSI standard 61

Manufactured from NSF/ANSI standard 61 and California Prop 65 Compliant certified coconut shell carbon and raw materials

Hydroponics and aquaponics nutrient monitoring

Excellent replacement spigot for beverage dispensers

with no artificial ionization

so it’s lightweight

HM Digital COM-80 + PH-80 Meter COMBO PH TDS EC PPM Pocket Tester pH 4.01 calibration Manufactured from NSF/ANSI standard 61PH 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