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Thread: Is high PH bad and why?

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    Is high PH bad and why?

    I have a 12,000 gallon intex pool with SWG in Houston. The ph likes to stay in the 7.8 to 8.0 range. I can add acid and bring it down, but have to keep doing so or it will simply go back up. What are the negatives of keeping the ph in the 7.8 to 8.0 range? The water is clear and there is no irritation. Other than knowing the ph is high by testing I see/notice no difference in being at 7.2 vs 8.

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    Ohm_Boy's Avatar
    Join Date
    May 2007
    Orlando, FL

    Re: Is high PH bad and why?

    Dunno if this will help - it's pretty old.
    [center:1kpalu48]Helpful Links: Pool School | CYA/Chlorine Chart | Pool Calculator[/center:1kpalu48]

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    Re: Is high PH bad and why?

    That's actually quite informative, thanks. All my other readings are in line, so to me it just doesn't make sense to keep adding acid (unless there is something else I am missing).

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    Mod Squad Bama Rambler's Avatar
    Join Date
    Jun 2009
    SouthWest Alabama

    Re: Is high PH bad and why?

    Several people run there pool in the 7.8 range. As long as it's steady there and doesn't constantly drift into the 8's it's fine.
    Dave J. TFP Moderator
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