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Thread: Bizzare stains

  1. Back To Top    #1

    Join Date
    Jun 2012
    Location
    Cinnaminson NJ
    Posts
    102

    Bizzare stains

    About 5 years ago I got a new liner for my pool. I have a metals issue which has since periodically stained my liner and I deal with it accordingly but I've noticed when my liner starts to stain I have 3 1 inch by 4 inch rectangles that stain first. They are perfect rectangles. Why would these sections stain first? I know its not one of the higher end liners and we weren't happy with the company that installed it. The questions not why my liner stains but why these sections stand out when they do. Any ideas?
    Southern NJ, 1 HP Haward Pump, 16x 32 dimensions, 21,000 gallon vinyl liner inground pool, TF-100 test kit.

  2. Back To Top    #2

    Join Date
    Feb 2008
    Location
    Denton, TX
    Posts
    5,061

    Re: Bizzare stains

    Strange. Any photos? What sort of metals have you been dealing with in the past.

  3. Back To Top    #3
    JasonLion's Avatar
    Join Date
    May 2007
    Location
    Silver Spring, MD
    Posts
    37,879

    Re: Bizzare stains

    There are lots of possibilities. There will always be spots that are the first spots to stain, though it is unusual for them to be rectangular. If there was something underneath the vinyl at that point which was different than the rest of the wall, that could do it. Even slight temperature differences can affect the chances of a spot staining, and a different material under the liner would often cause a temperature change. But really there is no telling without looking behind the liner.
    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

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