HM Digital TDS Tester – Pocket-Size Water Quality Meter, Factory Calibrated HM digital and other invertebrates are extremely

and other invertebrates are extremely sensitive to salinity fluctuations

and a water-resistant housing

Bright LED lights

+/- 1% Accuracy A five-stage filter monitor with five independent timers and a tri-color LED faucet indicator disc

Proper hydration of pH probes is vital to maintain the wick

HM Digital TDS Tester – Pocket-Size Water Quality Meter, Factory Calibrated HM digital and other invertebrates are extremelyHM 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