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    Trouble maintaining PH

    First, sorry about the lack of information in my signature. I put information about my pool in the original post: plaster, 27,000 gallons, sand filter, no heater. I didn't explicitly state that is is NOT a salt water pool. I have read almost every article in the Pool School area. I am aware of...
  2. E

    Trouble maintaining PH

    Starting in early April I have been trying to maintain the pH of my pool between 7.4 and 7.6. On 4/7 it was 8.0 and TA was 110. I added 1.5 quarts of muriatic acid and the pH dropped to 7.4. A week later the pH was up to 7.8 and TA was down to 100. I left it like this for a few weeks and then on...