PH/EC/TDS/TEMP Digital Water Quality/Temperature Detection Tester Pen Series

Display modes: press SHIFT button: TDS - ppm & °C, EC - μs/cm & °C, TDS - ppm & °F, EC - μs/cm & °F. TDS: 0-9990ppm. Shift between TDS & Conductivity TDS Water Test Pen. Ideal use to test for water, pools, aquariums, spas, hydroponics, food, wine and beer making and more.

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