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Thread: alternative to acid wash

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    alternative to acid wash

    Hi. I have a stand-alone, in-ground spa which is about 6k gallons. I am draining it for the first time since I purchased the house (about 2 years ago). A few months back I had a mild algae problem which was easily treated with shocking the spa, however some minimal staining has taken place on the spa plaster. I do not want to acid wash the spa since it is not that bad. Any alternatives to removing the stains other than acid washing? Would appreciate any feedback.

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    In the Industry
    poolsupplysales's Avatar
    Join Date
    Jan 2012
    Tulare, CA

    Re: alternative to acid wash

    There are stain removers you can use without draining but first you have to identify the type of stain and for that you will need a stain identification kit

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    Mod Squad jblizzle's Avatar
    Join Date
    May 2010
    Tucson, AZ

    Re: alternative to acid wash

    Welcome to TFP!!!

    If the stains are organic due to algae, then maintaining an elevated FC level and some brushing should take care of them.
    Jason, TFP Moderator
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