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Thread: Vinyl Liner Stain

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    Join Date
    Jun 2014
    Location
    Sioux City/IA
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    2

    Vinyl Liner Stain

    28' diameter 54" deep above ground pool.

    The bottom half of the wall all the way around the pool has a brown tint/stain. Stain is the same height all the way around, almost like the water was that low. Stain is about 24" above pool floor. Water was not drained that low ever. Stains were there after opening this spring. There are no stains on the pool floor or above the 24". Seems weird how the stain is so defined.

    Any help and/or suggestions here?

  2. Back To Top    #2
    Mod Squad JohnT's Avatar
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    Apr 2007
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    SW Indiana
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    Re: Vinyl Liner Stain

    Welcome to TFP!

    Could be many things from leftover organic stains to calcium or iron staining. To diagnose, we'd need to know how long the pool has been open, whether the stain will scrub off or feels rough and a set of test results.
    TFP Moderator
    20K Gallon 20X36 Vinyl Inground
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    Mod Squad woodyp's Avatar
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    Apr 2010
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    Re: Vinyl Liner Stain

    Have you tried just plain old brushing it? Welcome to the forum.
    16x32x52" Steel Cornelius Miramar AGP Vinyl liner 13,100 gal. Buried 2 ft.
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  4. Back To Top    #4

    Join Date
    Jun 2014
    Location
    Sioux City/IA
    Posts
    2

    Re: Vinyl Liner Stain

    Sorry for the late response.

    My chemicals were way out of wack. I can't remember the numbers exactly. Essentially, when I was adding stabilizer I had the total alkalinity number in my head and put way too much stabilizer in. So my chlorine was basically doing nothing. Did a bunch of 1/4 pool empties and refills and finally got the stabilizer to 40 like it should be. Re-balanced the remaining chemicals and shocked the pool.

    The stain went away after shocking and hasn't been back since. Everything is great now!

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