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Thread: Above water staining? How to remove?

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    Above water staining? How to remove?

    We look after about 50 pools and have a couple which have above water staining, that has turned the blue tiles sort of greyish, cant seem to remove using normal type products anyone have any idea?

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    Mod Squad Bama Rambler's Avatar
    Join Date
    Jun 2009
    SouthWest Alabama

    Re: Above water staining? How to remove?

    Can you take a picture and post a full set of test results? That would help a lot in figuring out what it may be.
    Dave J. TFP Moderator
    24' x 52" Round AGP. 2hp/¼hp SPL Power-Flo 2-speed pump. 200sqft Waterway Cartridge Filter. 45MHP2(3GPD) Stenner Peristaltic Pump
    Pool School ----- Pool Math ----- TF-Test Kit

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    guamguy's Avatar
    Join Date
    Feb 2010
    Guam, USA

    Re: Above water staining? How to remove?

    You could try a magic eraser. I use those to clean my waterline tile sometimes, works good.
    12,800 gallon IG plaster kidney-shaped pool, waterslide, 800 gallon spa.
    1HP 2 speed Sta-Rite pool pump, 1.5 HP Sta-Rite spa jet pump. 2 skimmers, 1 main drain
    Purex-Triton TR-60 325 lb.sand filter. 2" Plumbing, Intex SWCG, TF-100 test kit.
    Link to pics of my pool!

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    Join Date
    Mar 2007
    Coastalish 'down easter'

    Re: Above water staining? How to remove?

    Welcome to TFP!!

    For oils causing the scumline, I use a moist 'scrubbie sponge' with a little pH up powder (sodium carbonate) or Alk + (baking soda - sodium bicarbonate) sprinkled on it. It's cheap, cause you already have it on hand and works well
    Luv& Luk

    Having done construction and service for 4 pool companies in 4 states starting in 1988, what I know about pools could fill a couple of books - what I don't know could fill a couple of libraries :-D

    POOL SCHOOL, TF Testkits, Jason's Pool Calculator, CYA vs. cl chart, (Just a few DARNED handy links!)

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