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Thread: spa cares ph down

  1. Back To Top    #1

    Join Date
    May 2011
    Orillia, ontario, canada

    spa cares ph down

    I bought some of this to lower my ph. I haven't added it yet, but is it ok to use with the bbb method? I cannot find muriatic acid anywhere.

    Approx 74,000 liter inground vinyl pool 12x32, laser 225 sand filter, Hayward 2 speed pump + old pool heater.

  2. Back To Top    #2
    JasonLion's Avatar
    Join Date
    May 2007
    Silver Spring, MD

    Re: spa cares ph down

    Sure, that is alright. We call PH Down dry acid. Dry acid is alright, mostly it is just more expensive than muriatic acid.
    19K gal, vinyl, 1/2 HP WhisperFlo pump, 200 sqft cartridge filter, AutoPilot Digital SWG, Dolphin Dynamic cleaning robot
    Creator of PoolMath and Pool Calculator. Other handy links: Support this site, TF Test Kits, Pool School

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