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Thread: How long will PH keep rising after new plaster?

  1. Back To Top    #1

    Join Date
    May 2009
    Seminole, FL

    How long will PH keep rising after new plaster?

    I have a newly re-plastered pool (Marcite? Gunite? Not sure which).. I read here that the PH could go up for a while after having it done. It generally goes from 7.5 to 7.8 every 3-4 days and I drop in acid to drop it back down to 7.5. Thats been going on for about a month now.. maybe a little longer. How long should I expect the PH to keep rising? My other #'s are stable and predictable.. TA about 100-120 depending on who tests it.
    ~13000 inground plaster
    150sq Ft Cartridge Filter

  2. Back To Top    #2
    frustratedpoolmom's Avatar
    Join Date
    May 2007
    SWSuburban Chicago, IL

    Re: How loing will PH keep rising after new plaster?

    About 1 year. IT's quick to rise now, and it slows overtime, but it can still creep up - up to one year.
    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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