Hi,
I have found that my customers that have indoor pools have pH levels that run high mostly because of the lack of rain.(rain water being acidic) I have found that lowering the alkalinity level in the water will help reduce the pH creep that will happen to indoor pools. I shoot for a level about 80 on ALK. Because the bromine salts build up in the pool water your pH will still rise but with the lower Alk. it will stay in balance longer.
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Thomas Esarey West Lake Pools
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