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Thread: Vinyl pool liner - stain at water line

  1. Back To Top    #1

    Join Date
    Jul 2011
    Location
    SW France
    Posts
    104

    Vinyl pool liner - stain at water line

    Hi peeps,

    looking through this lovely forum was trying to find what might be staining my pool liner at the water surface and what i might use to best remove this.
    The stain is "dirty" brownish - the liner is cream in colour, so "dirt" quite obvious. My guess is that this is organic in nature rather than any type of metal stain. Not sure if I could get metal staining as have no steps etc, but realise that this may be coming from metal salts in the water...

    neither chlorine nor "specialist" liner cleaners seem to do the trick.

    I have seen the Vitamin C test - Is this what I should be trying first on the stain? Or is there some other way of removing this stain? I realise that the ascorbic acid clean would require me to fill the pool up higher than the tide mark, so that it's covered - is that right?

    there are no marking anywhere else in the pool except the skimmer area, where the basket goes and that's very much darkgreen/black.

    Anyway, I may have this all wrong - so any pointers would be much appreciated.

    thanks.
    SWG - Exterior
    12x5M
    90,000 Ltrs /24,000US gallons
    Pool Pilot Digital
    Hayward Max Flo VS
    Polaris 280
    Vinyl liner
    Sand Filter

  2. Back To Top    #2
    Mod Squad woodyp's Avatar
    Join Date
    Apr 2010
    Location
    East Texas
    Posts
    9,004

    Re: Vinyl pool liner - stain at water line

    Try the vitamin C first and a Mr. Clean magic eraser.
    16x32x52" Steel Cornelius Miramar AGP Vinyl liner 13,100 gal. Buried 2 ft.
    2 Speed Hayward Power-Flo Matrix 85 g.p.m. 22" 250lb. sand filter hard plumbed
    Pool Rover Jr., Pool Blaster Max, Diver Dave TF100 Test Kit/Speed Stir
    Margaritaville Frozen Concoction Maker, Liqour Chiller, & Drink Mixer & Party Tub----Collect 'um all!

  3. Back To Top    #3

    Join Date
    Mar 2010
    Location
    Quakertown, PA
    Posts
    50

    Re: Vinyl pool liner - stain at water line

    Woodyp's suggestion of the magic eraser is a great one. My wife keeps some at the poolside, uses them frequently, works great! Good suggestion.
    Arvil, 30ft round, 21k gal, AG/vinyl(2003), StaRiteIII hp cartridge 150ft, Polaris65.
    6/30, Temp83F (28.3C), pH 7.8, FC 2.8 ppm, CC 0 ppm, TA 100, CH 80, CYA 40, -B4O7 30, CSI-0.17.

  4. Back To Top    #4

    Join Date
    Jul 2011
    Location
    SW France
    Posts
    104

    Re: Vinyl pool liner - stain at water line

    Will get some erasers just as soon as I can. Don't have them in France, so will have to wait until I go back to the UK. Thanks for the suggestions guys and gals.
    SWG - Exterior
    12x5M
    90,000 Ltrs /24,000US gallons
    Pool Pilot Digital
    Hayward Max Flo VS
    Polaris 280
    Vinyl liner
    Sand Filter

  5. Back To Top    #5

    Join Date
    Jul 2011
    Location
    SW France
    Posts
    104

    Re: Vinyl pool liner - stain at water line

    I seem to be repeating myself a few years later. The magic sponge has worked a treat up to now, but this year I have been unable to remove the stains. Has my liner finally had it??
    SWG - Exterior
    12x5M
    90,000 Ltrs /24,000US gallons
    Pool Pilot Digital
    Hayward Max Flo VS
    Polaris 280
    Vinyl liner
    Sand Filter

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