Reference Electrolyte: Viscolene Gel

Alexapure is the only brand of gravity-fed and portable water filters we carry because we know you expect the very best

Replaceable pH electrode Mi56P

such as RO and DI

safer water near at hand

HM Digital TDS Tester – Pocket-Size Water Quality Meter, Factory Calibrated polarographic probe Reference Electrolyte: Viscolene GelHM Digital TDS Tester Affordable, Accurate Water Quality Testing The HM Digital TDS Tester is a compact, easy to use meter designed for quick and reliable Total Dissolved Solids (TDS) measurement. Whether you're testing drinking water, monitoring a hydroponic reservoir, checking aquarium water quality, or verifying RO filter output, this pocket sized tester delivers instant results without breaking the budget. Key Features Measures Total Dissolved