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Thread: Acorn Stains from Oak Tree - How to get rid of that?

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    Join Date
    May 2016

    Acorn Stains from Oak Tree - How to get rid of that?

    @TheLoneHoot - I'm in JAX too and have the same issue! What did you do to help? The tree is getting cut soon (my neighbor says).

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    Mod Squad pooldv's Avatar
    Join Date
    Aug 2012
    DFW, TX

    Re: Acorn Stains from Oak Tree - How to get rid of that?

    Welcome to TFP!

    The best way to clear organic stains from your pool is to raise FC to shock level for your CYA for several days to a week and brush daily or more often. Chlorine CYA Chart

    Don't know what any of that means?

    Start reading Pool School here, Pool School - ABCs of Pool Water Chemistry
    And then here, Pool School - Getting Started
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    Join Date
    May 2015
    Mount Cheaha Alabama

    Re: Acorn Stains from Oak Tree - How to get rid of that?

    I have an oak tree that covers half my pool and is currently raining unset acorns daily.

    These are tannin stains.
    From my experience not leaving them sitting for long periods of time helps in how fast they lift.

    I use trichlor pucks and place 3-4 of them on stains and then check every few minutes. Rotate them around to the worst ones - hey your swimming and cleaning at the same time.
    If you don't allow them to sit for extended periods of time normal chlorination and circulating water will remove them in a couple hours.
    30k in ground vinyl lined pool surrounded by decking in the woods.
    Hayward sand filter circa mid 80's
    If there is a way to do things less expensively and yield a superior product I am all ears

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