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-HM Digital TDS EZ Consumter TDS Water Quality Testing Meter
Amazon.com — Features: Range: 0 - 9990 ppm (mg/L) .. Includes a TDS chart sticker on the back of the meter that explains TD Resolution: 1 ppm (0-999 ppm); 10 ppm (1000-9990 ppm) ... Accuracy: +/- 3% Power source: 2 x 1.5V button cell batteries (included) ..Battery ...More…
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