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Thread: Liner replacement, bottom repair and ground water

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    DLaplante's Avatar
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    Jun 2012
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    Ham Lake, Minnesota
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    Liner replacement, bottom repair and ground water

    I am replacing the liner in my 20x40 in ground, I have about 3 feet of ground water I'm fighting, andf need to repair the bottom. What can i use to fix the bottom if i can't get Vermiculite?
    Live in Minnesota, can't seem to find the pool grade Vermiculite, Any suggestions?

    Or is there an alternative?

    Also any recommendations on a good tutorial for adding a well point, or permanent sump to keep the Ground water at bay.
    20x40 Vinyl IG, 27k gal, 1 hp hayward, s244s hayward SF, Hayward SWG 1 floor drain, 2 Skimmers, 4 Returns, Fiberstars FO lights, Polaris booster, and 380 polaris cleaner.

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    sargent's Avatar
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    Aug 2013
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    Tulsa, OK
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    Re: Liner replacement, bottom repair and ground water

    perlite and portland cement mix.
    14k gal IG vinyl, Jandy Flopro 1 hp up-rated, 2 spd pump, Hayward 325 sq ft cartridge filter, Circupool Si-40 SWCG

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    DLaplante's Avatar
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    Jun 2012
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    Re: Liner replacement, bottom repair and ground water

    Perlite and portland, is there a specific ratio?
    20x40 Vinyl IG, 27k gal, 1 hp hayward, s244s hayward SF, Hayward SWG 1 floor drain, 2 Skimmers, 4 Returns, Fiberstars FO lights, Polaris booster, and 380 polaris cleaner.

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    sargent's Avatar
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    Re: Liner replacement, bottom repair and ground water

    See this page for the ratio.
    14k gal IG vinyl, Jandy Flopro 1 hp up-rated, 2 spd pump, Hayward 325 sq ft cartridge filter, Circupool Si-40 SWCG

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