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Why Is pH Important?

Why Is pH Important?. Swimming Pool Chemistry. HOCl (hypochlorous acid) is usually added to swimming pools to kill disease-causing microorganisms. You can’t add too much HOCl, however, because:. your eyes will start stinging because of the lowered pH. (i.e.- the pH of your eyes

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Why Is pH Important?

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  1. Why Is pH Important? Swimming Pool Chemistry HOCl (hypochlorous acid) is usually added to swimming pools to kill disease-causing microorganisms.

  2. You can’t add too much HOCl, however, because: • your eyes will start stinging because of the lowered pH (i.e.- the pH of your eyes is 7.2) • the swimming pool walls & metal parts will corrode

  3. The pH of a swimming pool should ideally be maintained between 7.2 – 7.8. If the pH is too low, add Na2CO3 or NaHCO3. If the pH is too high, add muriatic acid, HCl.

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