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Thread: Pool wall is bowing out

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    DonW's Avatar
    Join Date
    Jun 2008
    Location
    Central IL.
    Posts
    96

    Pool wall is bowing out

    Brand new 18' x 33' Sharkline oval install that has taken me a month and a half to finish. Hooked up and started the pump today and was putting the finishing touches on, and discovered that the pool wall is bowing out just above the bottom track. Does anyone know what is causing this?
    It is happenening just about all around the wall, even on the straight sides. Bowing is approximately 2 inches above the track, about 1.5 inches wide.
    18' x 33' AGP
    16,715 gal.
    200 lb. Sand Filter w/Hayward PowerFlo MATRIX 1.5 H.P. 2 Spd. pump
    Stenner Injection Pump System

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    Join Date
    Jul 2007
    Location
    Northern NJ
    Posts
    299

    Re: Pool wall is bowing out

    I'm not a pro, but how is the liner sitting? Is it flush against the walls or is there still some room between the wall and liner?
    Nicole

    21' AGP (10,400g)
    Hayward PowerFlo Matrix dual-speed 1HP pump, 75 sq ft Waterway cartridge filter
    4G Liquidator, Aquabot POOL ROVER S2-40

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    DonW's Avatar
    Join Date
    Jun 2008
    Location
    Central IL.
    Posts
    96

    Re: Pool wall is bowing out

    I can't see more than a foot into the water, it's coming from a well with a high iron content.
    I did rectify the problem though. I took a putty knife and worked it under the bottom rails loosening a small amount of dirt from under each of the rails. It was enough to take the bow out and a small dent that was getting larger. The pool had finally been filled and 16,715 gallons of water tried to push the bottom rails out a bit to settle and couldn't. This has been the pool that has kept me sleepless, upset my stomach, and given me headaches. I hope the worst is behind me. Thanks for your reply and to all who have read. Hopefully this "tip" with the putty knife will help someone in the future.
    18' x 33' AGP
    16,715 gal.
    200 lb. Sand Filter w/Hayward PowerFlo MATRIX 1.5 H.P. 2 Spd. pump
    Stenner Injection Pump System

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    Join Date
    Jul 2007
    Location
    Northern NJ
    Posts
    299

    Re: Pool wall is bowing out

    Glad to hear you got the problem solved.

    As far as the water goes, make sure you get some metal sequestrant in the water before you add your CL. There was another thread recently about metals and well water. I will see if I can find it.

    Found it:

    brown-water-yikes-t8029.html
    Nicole

    21' AGP (10,400g)
    Hayward PowerFlo Matrix dual-speed 1HP pump, 75 sq ft Waterway cartridge filter
    4G Liquidator, Aquabot POOL ROVER S2-40

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    Join Date
    Jun 2017
    Location
    Hollywood, CA
    Posts
    1

    Re: Pool wall is bowing out

    I am having a similar issue with our new oval pool..it seems as one wall and support is bowing much more than others. You can tell by the upright there is alot of pressure from the water. Is this okay for the season until we drop the water for winter or is there an easy fix now?
    Not sure how to post a pic

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