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Thread: High TA a bad thing?

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    Join Date
    Oct 2011
    Location
    South Louisiana
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    High TA a bad thing?

    After having an algae /cloudy pool problem almost all summer, I have finally used pool school to start getting ahead of the problem. Thanks to this site as I was about to give up on the pool and take it down for good. The question I have is that I am lowering TA from 100 to the recommended 60-80 for a SWG pool. I read in the SWG pool chemistry section that this is important. I was just wondering what causes high TA to be a bad thing. Could it inhibit Cl production or limit its effectiveness. Just wondering. Thanks for the replies.
    ~6400 gal, 18'X48" Intex metal frame pool
    Intex SWG
    1500 GPH Cartridge filter/pump combo

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    JasonLion's Avatar
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    May 2007
    Location
    Silver Spring, MD
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    37,879

    Re: High TA a bad thing?

    Welcome to TFP!

    With a SWG, or other source of areation, medium and higher TA levels tend to make the PH rise very quickly. If you don't keep an close eye on that kind of situation it can quickly lead to a variety of problems, for example calcium scaling.
    19K gal, vinyl, 1/2 HP WhisperFlo pump, 200 sqft cartridge filter, AutoPilot Digital SWG, Dolphin Dynamic cleaning robot
    Creator of PoolMath and Pool Calculator. Other handy links: Support this site, TF Test Kits, Pool School

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    Join Date
    Oct 2011
    Location
    South Louisiana
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    Re: High TA a bad thing?

    So, would that explain what I believe to be excessive scale buildup on the SWG cell? I had the same pool last summer and I don't remember as much scale buildup.I cannot recall the TA last year.
    ~6400 gal, 18'X48" Intex metal frame pool
    Intex SWG
    1500 GPH Cartridge filter/pump combo

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    JasonLion's Avatar
    Join Date
    May 2007
    Location
    Silver Spring, MD
    Posts
    37,879

    Re: High TA a bad thing?

    Yes, it certainly could have something to do with the scale buildup. Scale depends on several factors, PH, TA, CH, etc. PH has the largest effect, so if PH and TA are both fairly high it is very easy to have scaling problems.
    19K gal, vinyl, 1/2 HP WhisperFlo pump, 200 sqft cartridge filter, AutoPilot Digital SWG, Dolphin Dynamic cleaning robot
    Creator of PoolMath and Pool Calculator. Other handy links: Support this site, TF Test Kits, Pool School

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