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Thread: 2nd season- balanced when opened not low PH

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    Join Date
    Jun 2015
    Kingston ma

    2nd season- balanced when opened not low PH

    hi- first this site has been great for me learning how to have a trouble free pool and saving money so thanks to everyone for that.

    i just opened the pool 2 weeks ago seemed to get everything lined up pretty well. The TA was a little high at around 95ish. I checked the pool again yesterday and realized the PH was very low at around 6.8. My question is what should i do next? i wanted to get the PH up but then realized that the TA is going to increase. I then read to reduce TA get the PH down to 7 and aerate. I added some borax but havent retested yet but i added enough to get to 7.1. Should i now aerate to get the TA down before i add more borax to increase PH back to normal levels 7.6

    20x40 kidney IG vinyl liner built 2012
    27k gallon, Pentair IC60 SWG,
    pentair vs 3hp pump, triton sand filter

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    Mod Squad Texas Splash's Avatar
    Join Date
    Jun 2014
    South-Central Texas, Marion/San Antonio

    Re: 2nd season- balanced when opened not low PH

    If you added enough borax to increase pH to 7.1, then just aerate to raise pH more. Aeration only increases the pH, it does not lower TA. If you want to lower TA more, then once the pH is up to about 7.5-7.6, hit the water with acid to lower pH to about 7.0 then aerate again. Each time you do that it will also lower TA and leave it lower.
    Pat (a.k.a. Texas Splash) ~ My Pool: Viking Fiberglass; 17,888 Gal; Waterway Supreme 2-sp/2-hp pump; Hayward Ctg filter; TF-100 w/ Speed Stir
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    Richard320's Avatar
    Join Date
    Jan 2010
    San Dimas, CA (LA County)

    Re: 2nd season- balanced when opened not low PH

    Some vigorous aeration will drive the pH up. The simplest way is to throw a kid and a kickboard into the water. Or turn a return eyeball up or construct a homemade aerator out of PVC. Anything to get the surface churning. What you're doing is essentially the same as shaking a bottle of Coke, just on a larger scale.
    16K freeform gunite with spa; Pentair 4000 DE filter; Century Whisperflow 1 HP; Pentair Minimax heater.
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