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Thread: Brownish-gray stains in vinyl IG pool

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  1. 05-12-2006 11:51 AM #9
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    waterbear
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    Default Re: Brownish-gray stains in vinyl IG pool

    Quote Originally Posted by gumbeaux71
    Hi all,


    Opened the pool and had a minor mustard algae problem and lots of staining at the bottom of the pool.

    I quickly resolved the algae problem with one dose of Yellow Out, but my first shock attempt did not resolve the staining problem.
    Quote Originally Posted by gumbeaux71
    I shocked to 10ppm last night. You are right that something is eating up my chlorine!
    Check out this thread. might also help explain your low chlorine levels
    http://www.poolforum.com/pf2/showthr...=7384#post7384
    Last edited by waterbear; 05-12-2006 at 11:56 AM.
    Retired pool store and commercial pool maintenance guy.
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