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Thread: Water Change Out and Acid Wash

  1. Back To Top    #1

    Join Date
    Nov 2011
    Location
    Magnolia Texas
    Posts
    78

    Water Change Out and Acid Wash

    Our pool water is now 7 years old and for the past season we have been having calcium build up issues. Recently when I had the water tested all pool parameters were normal except calcuim which came in at 600 ppm. As a result, in a couple of weeks I'm going to do do a drain and fill. My white plaster pool does have some dirt discoloration. Would a 3:1 dilution of muriatic acid and scrub the pool best the best way to go clean the plaster? Would a bleach wash be a less invasive alternative? If yes, any advice on dilution? Thanks in advance.
    28,000 gallon salt water pool
    DE Filter
    Inground plaster construction
    1-1/4 hp pump with 1hp booster pump

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    Mod Squad Bama Rambler's Avatar
    Join Date
    Jun 2009
    Location
    SouthWest Alabama
    Posts
    22,347

    Re: Water Change Out and Acid Wash

    I would try the bleach first maybe even in a pressure washer with a fan nozzle. I'd use half strength to start with.
    Dave J. TFP Moderator
    24' x 52" Round AGP. 2hp/¼hp SPL Power-Flo 2-speed pump. 200sqft Waterway Cartridge Filter. 45MHP2(3GPD) Stenner Peristaltic Pump
    Pool School ----- Pool Math ----- TF-Test Kit

  3. Back To Top    #3

    Join Date
    Nov 2011
    Location
    Magnolia Texas
    Posts
    78

    Re: Water Change Out and Acid Wash

    Thanks I'll give that a try.
    28,000 gallon salt water pool
    DE Filter
    Inground plaster construction
    1-1/4 hp pump with 1hp booster pump

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