pH (acid)
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DIAMOND POOL & SPA, LLC
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What Is pH?
The pH is a measure of the acidity of the water. The pH scale goes from 0 to 14, where pH 7 is neutral. If the pH is above 7, the water is basic; if it is below 7 the water is acid. What is optimum pH? The optimum pH for pool water is 7.4, since this is the same as the pH in human eyes and mucous membranes. A pH of 7.4 also gives good chlorine disinfection. Results of low pH:
Results of high pH:
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