Results forautomatic calibration bluetooth ph meterfrom 2 Products.
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Product Features HIGH ACCURACY: TDS meter for checking TDS/salt (NaCl) levels freshwater aquariums, ponds and water purification systems. Ensure Your Pool, General Hydroponics Ph ...
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Features: 【6 in 1 Meter with Bluetooth】 Powered by the mobile App, professional measurement of pH, ORP, Chlorine, EC, TDS, and Temp. suitable for swimming pool water quality test. ...
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