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Thread: Stubborn stains around the floor jets

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    Stubborn stains around the floor jets

    Hi guys

    I love this Forum & first time I have had to post a topic

    One of the pools I maintain has literally in 3 days developed some very stubborn stains around the floor jets, they are in fan shapes in keeping with the obvious outflow from the floor jets & are a browny colour

    Also when the pool is backwashed it is a browny/red colour & needs backwashing daily.

    I have shocked the pool & the water is now clear.

    Can anyone help please

    Greek islands
    Plano, TX
    20,000 gallons Kidney Bean IG Plaster, Nautilus DE Filter

  2. Back To Top    #2
    JasonLion's Avatar
    Join Date
    May 2007
    Location
    Silver Spring, MD
    Posts
    37,887

    Re: Stubborn stains around the floor jets

    You probably already tried this, but first make sure they don't brush off. If they brush off they are either dirt or algae.

    Second, try holding a vitamin C tablet against the stain for 30 seconds and see if that makes any difference.
    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

  3. Back To Top    #3
    Guest

    Re: Stubborn stains around the floor jets

    Have you tested the water for iron?

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