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2 in1 Waterproof Salt Meter Salinometer TesterSolution and Powder don't includeFeatures:- Low C..
Powered by ZenTest Mobile App, Measuring pH Conductivity/TDS/Salinity/Resistivity/TempNo solution Or..
IP 57 Conductivity Meter Resistivity Salinity Meter TDS TesterNO Solution and battery in the package..
Salinity Meter Pen type Salt Meter Tester With Temp No Solution and Powder in the packageFeatur..