Handheld Digital TDS Meter

Aquatics Galore Verified independent store

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The TDS-3 Handheld TDS Meter from HM Digital is a useful tool to spot check the TDS of your home water supply or RO/DI unit output. This unit features a digital display, built in t hermometer, and comes with a carrying case. As with all HM-Digital products, the TDS-3 comes factory calibrated. Show more