pH Chlorine Meter Digital Salinity pH Tester for Saltwater Pool Salt Reader for Fish Tank Koi Pond TDS Test Pen All in One pH CL Salt ORP EC TDS Temp Monitor Hydroponic pH Conductivity PPM Tester

Additional Details from the Manufacturer

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More features

• [7 in 1 Water Quality Tester]: All in one pool tester test pH, residual chlorine, Salt, ORP, TDS, EC, and Temp at the same time. It is suitable for swimming pools, aquariums, hydroponics, drinking water, brewing.
• [Pool pH Free Chlorine Tester]: YINMIK pool water quality tester can accurately measure the pH, free chlorine level in swimming pool. The chlorine meter and pH monitor will help you keep pool healthy.
• [pH Salinity Tester for Saltwater Pool]: The salinity pH meter read the salinity value and pH level of the saltwater pool, which will help you maintain the work of the salt chlorinator generator. Ideal salt: 2700-3400ppm; Ideal pH: 7.2-7.8.
• [Good Assistant for Aquarium Enthusiasts]: By this pH Meter, you can test accurate pH, TDS, salinity, and temperature level in fish tank. This thermometer helps you maintain a consistent temperature in the fish tank and the tds meter help you check top-off water.
• [With calibration solution, ready to calibrate] The pH tester comes with 4.00 7.00 10.01 pH calibration solution. You don't need to spend time and effort to prepare the solution, you can use it after opening it.