HM Digital COM-80 + PH-80 Meter COMBO PH TDS EC PPM Pocket Tester HM-500 pH Replacement Probe Scrub the filter’s exterior with

Scrub the filter’s exterior with a scour pad and clean water—without soap—then rinse thoroughly and replace in the upper chamber

We believe you shouldn't have to sacrifice this space to filter your drinking water

Made in the USA with premium materials

Pool and spa service companies

Storing in pH probe storage solution MA9015 or pH calibration buffers will help address both these issues

HM Digital COM-80 + PH-80 Meter COMBO PH TDS EC PPM Pocket Tester HM-500 pH Replacement Probe Scrub the filter’s exterior withPH 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