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Swimming Pool Tester PC-104, Recommended PH Level for Pools and Spas is 7.2 to 7.8
1.Testing chlorine level;
Recommended chlorine level for pools and spas is 1.2 to 1.7 ppm.
2.Testing PH Level;
Recommended PH level for Pools and Spas is 7.2 to 7.8