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Thread: new pool owner new liner - help

  1. Back To Top    #1

    Join Date
    May 2014
    south jersey

    new pool owner new liner - help

    I am a new inground pool owner and we have high groundwater where I am. I moved to my house in the fall and opened my pool this summer and there was a lot of water under the liner. There is a pump installed and I pumped out the water and liner went back into place but it ended up tearing in a lot of places (old liner). I assume because it was an old liner, it was more brittle and couldn't stretch as well back into place.

    I will be buying a new liner and was wondering if a thicker liner would be better (27mil) or should I go with 20mil. The groundwater is my main concern - I will pump as much as needed but I am afraid of running into issues again over the winter. I guess I will just have to pump throughout the winter also to keep the groundwater from becoming a big problem. Would there be any reason a thinner liner would be better or would it be safer to go with the 27mil? If groundwater does get under the liner and has to be pumped out - which would stretch the liner back to where it should be - over time this will probably wear the liner quicker I assume? Is there any reason the 20mil would be better in this situation or would you recommend 27?

  2. Back To Top    #2

    In the Industry
    duraleigh's Avatar
    Join Date
    Apr 2007
    Sebring, Florida

    Re: new pool owner new liner - help

    Consensus over the years seems to think there is really not much difference in the liners. 20 mil is a bit easier to install but that seems to be about it.

    I can't see 27 or 20 having ANY adnatage with your groundwater issue.
    Dave S. - Forum owner
    42k vinyl and concrete pool, 1.5hp pump, 140gpm filter
    TFTestkits , PoolMath , Pool School

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