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Short answer: Add Muriatic Acid to lower pH

Long answer: pH and TA (Total alkalinity) is a two partner dance that is crucial to balancing your Swimming Pools water chemically.

pH is the relative a acidity or alkalinity of the water that goes from 0 (acid) to 14 (alkaline) a pH of 7.0 is neutral. Pools and spas should have a pH that measures 7.2-7.8 for a variety of reasons: Bather comfort, sanitizer effectiveness, corrosion, cloudy water and scaling being the primary ones.

TA or Total Alkalinity measures the amount of alkaline materials present in the water. Low TA is a contributing factor in scaling and cloudy water. Optimum range of TA is 80-120 ppm. Having TA higher than that may not be an issue as long as the water is clear and there are no sighs of scaling or discoloration.

Getting the pH set and normalized is paramount. Add acid to lower it at the rate of one quart per each 10,000 gals. Add soda ash (sodium carbonate) to raise it at the rate of 6oz per each 10,000 gals.

Test your pools pH after about 1 hr of adding any chemicals.

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