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Thread: Question about TA

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    Join Date
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    Question about TA

    First, I would like to say everyone is very helpful on here. My question is, on the pool calculator it shows for my vinyl pool that TA should be between 70-90. Last week it was 110 and when I checked it this past Monday it was 130. My pH has stayed around 7.6 and my CYA is 50. I was wondering, is 130 ok for TA? I didn't want to mess with anything since my levels were ok unless I needed to.
    15200 Gallon, Vinyl, Cartridge Filter 100 GPM, SWG

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    Join Date
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    Re: Question about TA

    Quote Originally Posted by pjohnson73
    First, I would like to say everyone is very helpful on here. My question is, on the pool calculator it shows for my vinyl pool that TA should be between 70-90. Last week it was 110 and when I checked it this past Monday it was 130. My pH has stayed around 7.6 and my CYA is 50. I was wondering, is 130 ok for TA? I didn't want to mess with anything since my levels were ok unless I needed to.
    The 70-90 range is the optimum value for the TA. When the TA runs higher than that it can allow the PH to change "fairly" rapidly. The term "fairly" can change with swimmer load, etc.

    Are you having to add acid to decrease your PH frequently?
    Have you had much activity in the pool?
    Do you have a SWG?
    What are the rest of your numbers, and do you check them daily?


    You are right, this site has the best information and the mod's answer questions like they've know us for years. 8)
    Triad Region of NC
    18x37 Vinyl IG (24,000 gal.), BBB & GoldLine AquaLogic PS4 SWG, Hayward 1 HP Superpump / Hayward Sand Filter / Polaris 280 cleaner / 6 deck jets / Sheer Descent Waterfall (in coping) / Brick Red Concrete Coping / Stamped Concrete Deck
    Lots of oak trees, maple trees, *and* leaves!

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    Mod Squad JohnT's Avatar
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    Re: Question about TA

    Don't worry about it. The only problem you could have from that level is climbing pH. If pH is manageable you are fine.
    TFP Moderator
    20K Gallon 20X36 Vinyl Inground
    Hayward S244T Sand Filter with 1HP Whisperflo Pump. Liquidator C-201 and Solar Heat

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    Re: Question about TA

    I was wondering, is 130 ok for TA?
    Yes. Sometimes we get overly concerned about TA and the acceptable ranges. There are folks on the forum successfully managing their pools with TA's ranges from 70 to 170....perhaps even wider

    I like Jasonlion's advice..........if you are not having rapid pH rises with your pool, your TA is fine.
    Dave S. - Forum owner
    42k vinyl and concrete pool, 1.5hp pump, 140gpm filter
    TFTestkits , PoolMath , Pool School

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