HM Digital DM-1 Inline Dual TDS Monitor - In/Out Water Quality Tester 0-9990 ppm portable TDS meter 01) and/or M10010B (pH 10

01) and/or M10010B (pH 10

Mount the monitor where you need visibility and position the probe for optimal measurement

repeatable calibration procedure

flat-tasting filtered water

Use the Hydrologic reverse osmosis water filter 3/8" ball valve inline shut-off to customize your indoor hydroponic garden water purification system

HM Digital DM-1 Inline Dual TDS Monitor - In/Out Water Quality Tester 0-9990 ppm portable TDS meter 01) and/or M10010B (pH 10Measure the tap water coming in vs. the purified water going out of your water filtration system at any time. FEATURES Displays TDS levels of the feed water and product water with in & out electrode probes. Highly efficient and accurate due to its advanced microprocessor technology. Auto Off function conserves battery power. The unit shuts off automatically after 10 minutes of non use. Dual Range 0 9990 ppm (From 0 999 ppm the resolution is 1 ppm.