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Thread: Dry ground =cracks under pool liner

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    Join Date
    May 2008
    gulf coast of Texas

    Dry ground =cracks under pool liner

    We put a good layer of sand down to level the area and then the blue tarp on top. walking around in the pool today brushing it...I felt a couple of dips when running the push broom along the bottom. Used my foot to feel and there are good sized cracks in the ground under the pool. Will this hurt the liner? I haven't filled the pool totally up yet..but really don't feel like draining it and taking the thing apart to fill the crack or move the pool. the cracks are about 3 inches wide and maybe about 8 inches long...give or take.

    Atlantic Pool Products "Prestige" metal wall pool 18' x 48" round
    vinyl liner
    Hayward Power Flo pump
    Hayward Perflex DE Filter Model EC50AC

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    Pool Clown's Avatar
    Join Date
    Sep 2008
    Silicon Valley, CA

    Re: Dry ground =cracks under pool liner

    If the cracks are big enough, i suppose the liner could be stretched by the void. And if you stretch a liner enough, it could rip.
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    NWMNMom's Avatar
    Join Date
    Apr 2007
    Waaay NW MN

    Re: Dry ground =cracks under pool liner

    You might want to re-think your base area, as one should never rely on the sand to create your level base - sand can shift considerably during wet or dry conditions. The ground should be level and as compact as possible before the sand goes down as the sand is just for "cush" under the Intex pools. Is there any possibility of placing it on some sort of concrete pad or patio block base, then putting the sand on that? I know it's a hassle once you have the pool filled but if the ground under the pool is getting large cracks I would be nervous about damage too.
    18x33x52 Buttressfree Seaspray (Wilbar) AGP - 1.5hp Pentair Maxim w/22" Pentair Meteor Sand Filter, Aqua Rite SWG System, Biltmore Walk In Steps - 2/4x20 Solar Panel Setup - Doheny Jet Drive (RIP -Pool Rover Jr) - finally hard plumbed the whole darned thing -
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