Total alkalinity measures the amount of alkaline substances (primarily, bicarbonates and carbonates) in your water. The total alkalinity is in the right range at 100 to 120 ppm (parts per million) if sodium dichlor, trichlor or bromine is being used as the sanitizer. Total alkalinity levels of 80 to 100 ppm are considered to be in the right range if calcium, sodium, or lithium hypochlorite is being used as a sanitizer.
pH refers to the intensity of acid or alkaline materials in your water. A pH of 7.0 is considered neutral. The right pH range for pool and spa water is 7.2 to 7.8, with an ideal range of 7.4 to 7.6.
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