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

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

    There is a huge oak tree right next to the pool. The tree drops acorns that stains the bottom of the pool. I shocked the pool occasionally but does not help entirely. The Polaris cleaner does a great job only when is running.

    15,000 Gallon Aqualeader Sentinelle 24x54
    AO Smith Hi-Flo 1.5 hp 2-speed pump
    Waterway Clearwater II 150 sq ft cartridge filter
    BBB, TF-100 Test Kit

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    Mod Squad zea3's Avatar
    Join Date
    Jul 2009
    Houston, Texas

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

    If you can post a complete set of test number we can advise you better with what you need to do. Usually chlorine will take care of any organic staining, as long as the levels are high enough and the staining object hasn't been left sitting too long.
    TFP Moderator
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    Vogue 21' round AG, Pentair 1 hp 2 speed pump, 36 sq ft DE filter, Hayward S180T 150# sand filter, Houston, Texas
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    TheLoneHoot's Avatar
    Join Date
    May 2013
    JAX, FL

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

    Looks like OP left after his/her one post, but I'll revive this zombie thread.

    I have nothing but palm trees in my yard, but my neighbor's Live Oaks' branches hang out over my pool. I've trimmed as high up as I can but the trees are literally right up against the fence and there's really no fixing the fact that they drop tons of acorns in my back yard and pool.

    In the very long fall and "winter" here in NE Florida, these things fall non-stop for months. They're a bit much to keep up with and until I just recently started figuring out how to properly tend to my pool, I would end up with huge amounts of leaves and acorns on the bottom of the pool which I'd eventually get around to vacuuming out after weeks of sitting there. I didn't realize they were down there staining my marcite.

    So now I have a ton of acorn stains - blackish, fingertip-sized marks - all over the bottom, particularly visible in the shallow end.

    I bought a special "eraser" that fits on the end of the pole but that was totally ineffective. I've tried using special stain removing additives to no avail. I've even tried breaking up chlorine tablets and placing chunks on some stains individually to see if they would eventually bleach away - nope.

    Any ideas?
    15,000 gal (I think) sort of "hexagonal dogbone" shaped pool built in 1996
    Hayward Super Pump, Cartridge type filter, 1HP motor (new as of 31 August 2013)
    Hayward Aquadroid cleaner (original model) totally rebuilt except for shell in last year or so

    [center:1mx1gn4d]Pool (p?l): n. a hole in the ground into which one throws vast sums of money[/center:1mx1gn4d]

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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 a big oak that hangs half over my pool.
    Right now unset acorns are raining daily into my pool and deck.

    These are tannin stains

    Trichlor pucks will lift the stains. I usually open up 3-4 of them and move them around checking every few minutes.
    If I don't bother cleaning the stains they fade and go away with normal manual chlorination and circulating water
    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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    duraleigh's Avatar
    Join Date
    Apr 2007
    Sebring, Florida

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

    I'd rather you elevate the chlorine than use pucks, which can fade a liner or do damage to a plaster surface....although basod's method is a good one....but you cannot ignore them.

    Go to about double your normal FC and hold it there until stains disappear....usually a week or so.
    Dave S.
    42k vinyl and concrete pool, 1.5hp pump, 140gpm filter
    TFTestkits , PoolMath , Pool School

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