General description The Pool Salinity Tester is a 7-in-1 digital device designed to accurately measure the salinity, pH, TDS, EC, and temperature levels in swimming pools, spas, and hot tubs. It is particularly useful for checking the salt concentration in saltwater pools and spas that utilize salt chlorine generators, ensuring optimal performance and cleaner water. Technical specifications Salt Range: 0~9990 ppm / 10~100 ppm pH Range: 0.00~14.00 Recommended pH Level: 7.2 to 7.8 Usage Simply dip the tester into the pool water. The LCD screen will display the measurement results within a few seconds.