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Thread: pool builder put 2 bottles of acid and now my PH is LOW

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    pool builder put 2 bottles of acid and now my PH is LOW

    Pool builder put 2 bottles of acid in the pool yesterday (i found out today) I tested it twice and its at or below 7.0 (taylor kit). The plaster (pebble) is less than a week old. Should I raise the PH as the CSI now says corrosion likely or run the waterfall and airate (sp?).

    Other readings-

    PH- >= 7.0
    TA- Dropped from 230 to 125
    CH- stable at 310
    CYA- 45- he needs to add more conditioner
    18,900 Stonescapes Tahoe Blue xtra black, 8 jet Spa, Pentair inteliflo VS , Pentair FNS 60 DE, Inteliclor40, Pentair 400,000 Mastertemp heater, 3 spillovers powered by a Pentair 1 HP whisperflo pump, The pool Cleaner, 2 Intellibright color changing lights and 400 sq ft. of Heliocol roof mounted solar.

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    frustratedpoolmom's Avatar
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    May 2007
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    Re: pool builder put 2 bottles of acid and now my PH is LOW

    Leave it. The PH will rise rapidly on its own at first from the new plaster.
    Also, no more CYA for a while, you can't use the SWG for the first month so there is no reason to increase the CYA right now. Use bleach or tablets for your daily chlorination during the first month.

    Hope this makes sense...
    Helpful links: Pool School; CYA/Chlorine Chart
    24' round AG pool, 52" high, Raypak heater; Waterway 2 spd Pump;
    150 Sq ft. Clearwater Cartridge Filter; Former and DISSATISFIED "Pool Frog" owner
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    JasonLion's Avatar
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    Re: pool builder put 2 bottles of acid and now my PH is LOW

    frustratedpoolmom has it right. Adding acid not long after plastering is called an acid start. You should allow the PH to rise on its own, which will happen fairly quickly. You don't want to start trying to balance TA or CH for at least the first three weeks after plastering. PH, TA, and CH will all rise as the plaster cures. This will happen fairly quickly for the first three or four weeks, and then much more slowly for up to a year.
    19K gal, vinyl, 1/2 HP WhisperFlo pump, 200 sqft cartridge filter, AutoPilot Digital SWG, Dolphin Dynamic cleaning robot
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    Re: pool builder put 2 bottles of acid and now my PH is LOW

    Thank you! I feel like a new parent. I freak about every unknown. Ill post some pics soon. It turned out great.
    18,900 Stonescapes Tahoe Blue xtra black, 8 jet Spa, Pentair inteliflo VS , Pentair FNS 60 DE, Inteliclor40, Pentair 400,000 Mastertemp heater, 3 spillovers powered by a Pentair 1 HP whisperflo pump, The pool Cleaner, 2 Intellibright color changing lights and 400 sq ft. of Heliocol roof mounted solar.

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    SCCS's Avatar
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    Re: pool builder put 2 bottles of acid and now my PH is LOW

    Did your PB tell you to brush your pool. They told me to brush everything once a day for about a week, its suppose to bring out the colors better.
    16,500 gal Roman end with PebbleFina finish
    4 x 160 intelliflo pump
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    Re: pool builder put 2 bottles of acid and now my PH is LOW

    yep! I and I have.
    18,900 Stonescapes Tahoe Blue xtra black, 8 jet Spa, Pentair inteliflo VS , Pentair FNS 60 DE, Inteliclor40, Pentair 400,000 Mastertemp heater, 3 spillovers powered by a Pentair 1 HP whisperflo pump, The pool Cleaner, 2 Intellibright color changing lights and 400 sq ft. of Heliocol roof mounted solar.

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