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Thread: Pool not opened for five years?

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    Pool not opened for five years?

    A friend of mine has not opened his in-ground vinyl pool in about five years, and has decided to get it cleaned out this year. I believe it has a Hayward sand filter if I recall correctly. Needless to say it is currently a swamp. Since he was running Baquacil I'm going to recommend it be converted to chlorine at least long enough to clean up the swamp. I should be able to help with that since I helped convert my parents' pool last year, and I'm hoping that the Baq conversion process plus removing as much solid matter as possible will get a really good start on cleaning up the water as well.

    My question pertains to the filter. He's had the pump running in recirculate mode briefly and it seems like all that plumbing still works, but he hasn't tried or looked inside the filter AFAIK. Is it likely the filter sand has solidified into a useless mass or something after sitting for five years? Obviously we need to change the sand, but I'd prefer to wait until any remaining Baquacil is purged and the swamp is mostly cleared up.

    Any other gotchas I should watch out for? Thanks.
    No pool myself, but parents': 15,500 gallon in-ground vinyl, Hayward Perflex EC65 DE filter

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    Mod Squad woodyp's Avatar
    Join Date
    Apr 2010
    East Texas

    Re: Pool not opened for five years?

    Clean'er up and see what the filter does! I'm betting you don't have to replace the sand.
    16x32x52" Steel Cornelius Miramar AGP Vinyl liner 13,100 gal. Buried 2 ft.
    2 Speed Hayward Power-Flo Matrix 85 g.p.m. 22" 250lb. sand filter hard plumbed
    Pool Rover Jr., Pool Blaster Max, Diver Dave TF100 Test Kit/Speed Stir
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    duraleigh's Avatar
    Join Date
    Apr 2007
    Sebring, Florida

    Re: Pool not opened for five years?

    I would open the top of the filter and inspect it. It's likely you can clean out any surface junk, "fluff" it up, and it will be good as new. (except for the mandatory change out of the baqua-goo.)

    Clean it dry if that's an option still and then run it in "backwash".
    Dave S.
    42k vinyl and concrete pool, 1.5hp pump, 140gpm filter
    TFTestkits , PoolMath , Pool School

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