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Thread: water behind the liner

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    water behind the liner

    My liner is bulging in corners and I noticed that one of the corners the liner has came loose from the side and I can see water behind it. I would like to know how to get rid of the water. I have a small sump pump and I thought about trying to use it. But I am afraid to pull the liner any futher away from the side to put the pump down in it. Any advice?
    vinyl IG 18x36 HP pump sand filter

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    In the Industry

    duraleigh's Avatar
    Join Date
    Apr 2007
    Sebring, Florida

    Re: water behind the liner

    The water is ground water behind your pool. You almost surely have your pool in a low wet area and/or just received a lot of rain. Short of installing wellpoints, you simply have to wait for the groundwater to subside.
    Dave S.
    42k vinyl and concrete pool, 1.5hp pump, 140gpm filter
    TFTestkits , PoolMath , Pool School

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    hodapmj's Avatar
    Join Date
    Oct 2007

    Re: water behind the liner

    Since you have a vinyl liner my recommendation would be to lift a section of the liner out of it's track right where you have the water behind the liner. Place your hose behind the liner and either use a sump pump or use your vac hose and run your pool pump with the multi-port to waste. Once you have most of the water removed, place the liner back in it's track and then use your pool brush to displace the remaining water. I found this to be the best success during Hurricane Ike last year.
    24K gal. 22 X 40' Fox Lagoon IG Vinyl, 7' Fox 25 jet raised Spa, Intelliflow VS-3050 pump, Intellichlor IC-40 SWG, Pentair Easy Touch Controller, Easy Touch Wireless Remote, Pentair Legend cleaner w/ booster pump, Pentair 250,000 BTU heater, Pentair Tagelus Sand Filter, & Pentair Intellibrite LED lighting.

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