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Thread: How long after new plaster until acid utilization goes down

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    Join Date
    May 2014
    Location
    Broken Arrow, OK
    Posts
    8

    How long after new plaster until acid utilization goes down

    I have added many jugs of acid since getting my pool re-plastered and I was hoping that after a while I would not have to add as much acid. I performed all the startup techniques and the plaster dust has not been visible for a month or more. The pool was re-plastered a little over 2 months ago and I check the PH daily with a digital PH meter and verify sometimes with strips and test kit. I keep the PH balanced and put in a little every day and it come out to about a jug of 31.45% acid a week now. That seems like a lot to me but is less than when I started. Will it continue to go down like I hope?
    Built in 2000, remodeled in 2016 - 16x30 20k gal gunite pool with raised spillover spa, Pentair 011018 InteliFlo 3HP VS Pump, Pentair 188592 Quad 60sq ft D.E. Cartridge Pool Filter, Pentair inline chlorine feeder, Intermatic PE653RC controller, Raypak Heater 406,000 BTU BG ELE

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    michaelrbanks's Avatar
    Join Date
    Sep 2014
    Location
    Cibolo, TX
    Posts
    88

    Re: How long after new plaster until acid utilization goes down

    My pool was opened in Sep '14 - I've just RECENTLY noticed a drop in my acid consumption.
    16,661 gal IG PebbleTec w/ Spa; 60 ft2 Jandy DE filter, 2 HP Jandy Variable Speed pump; 2 skimmer; 400K BTU Jandy heater; Polaris Sport; opened 9/15/14; TF-100 test kit

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    Mod Squad pooldv's Avatar
    Join Date
    Aug 2012
    Location
    DFW, TX
    Posts
    23,994

    Re: How long after new plaster until acid utilization goes down

    It takes a year-ish for plaster to cure.

    High TA contributes to PH rise, lower it to 60-70, Pool School - Lower Total Alkalinity
    Waterfalls, bubblers, water features contribute to PH rise, run them less to reduce PH rise
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    2012 build and pics, 20k gal gunite, black onyx pebblesheen, OK flagstone, IntellifoVS, cart filter w/Pleatco, IC40 SWG, Solartouch, 5 12'x4' solar panels, HP50HA heat pump, 8mil solar cover, borates, TF-100 test kit, SONOS, Doheny's Discovery Robot, hot tub on bleach

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