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Thread: Cleaning a dimpled-bottom pool

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    Cleaning a dimpled-bottom pool

    New pool owner and new forum member (thanks, cokomo!)

    My pool bottom is extremely deep-dimpled. I'm guessing when the previous home owner installed the pool they spread the liner by walking on it on dry, unpacked sand. After not being opened last summer, there is a good amount of dirt still settling to the bottom of the pool, catching in those dimples. Trying to vacuum just stirs it all back up and no longer really catches any of it.

    Any suggestions on how to get it really clean?
    Thanks,

    Kansas City, MO area
    13,500 gal AG vinyl
    55GPM Waterway sand
    1HP MaxFlow pump
    Intex SWCG

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    JasonLion's Avatar
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    May 2007
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    Silver Spring, MD
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    Re: Cleaning a dimpled-bottom pool

    Welcome to TFP!

    There isn't any easy way to completely clean an uneven bottom. Moving the vacuum very very slowly, so as to not stir anything up, helps. Or you can stir it all up and the filter will get it eventually, though that often takes a large number of attempts as much of it will settle back down before it gets filtered out.
    19K gal, vinyl, 1/2 HP WhisperFlo pump, 200 sqft cartridge filter, AutoPilot Digital SWG, Dolphin Dynamic cleaning robot
    Creator of PoolMath and Pool Calculator. Other handy links: Support this site, TF Test Kits, Pool School

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    Join Date
    May 2011
    Location
    Arkansas
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    26

    Re: Cleaning a dimpled-bottom pool

    Quote Originally Posted by JasonLion
    Welcome to TFP!

    There isn't any easy way to completely clean an uneven bottom. Moving the vacuum very very slowly, so as to not stir anything up, helps. Or you can stir it all up and the filter will get it eventually, though that often takes a large number of attempts as much of it will settle back down before it gets filtered out.
    Our pool is the same way - the liner is very wrinkled and baseball sized dimples on the bottom. I let the vacuum get what it can first then I make sure the filter is running while the kids are in it. I put on a skimmer sock as others recommended while the kids are in and it is catching an amazing amount of dirt each time.
    I measured our above ground pool side to side today and it was 24 ft and 4 inches. It is about 4 ft deep.

    My pump is this:
    https://picasaweb.google.com/1103069418 ... directlink
    Hayward 1.5 hp, Swim Pro SW196T sand filter

    Kontiki 2 vacuum

    New to pool ownership, it came with the house we bought last October.

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    duraleigh's Avatar
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    Apr 2007
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    Sebring, Florida
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    30,084

    Re: Cleaning a dimpled-bottom pool

    As Jason said, perhaps having a soft, long bristled brush would be helpful in reaching into the dimples and stirring things up. You will not find that in a pool store but probably at HD/Lowe's.

    Also, I'm not sure if a suction side cleaner like a Kreepy Krawly might not be the most "pliable" to conform to the bottom. You may have one like that already
    Dave S.
    42k vinyl and concrete pool, 1.5hp pump, 140gpm filter
    TFTestkits , PoolMath , Pool School

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    Join Date
    Jun 2008
    Location
    Marana, AZ
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    347

    Re: Cleaning a dimpled-bottom pool

    I have a dimpled bottom. I live in an area where a lot of fine dust gets blown into the pool I use my barracuda Ranger to get as much as it will (an auto vac like that may or may not work for you, depending on how bad your dimples are.) After that I use a manual vac, going slowly so as not to stir up the dust too much, and I will even just use the hose with out a vacuum head while I'm in the pool. Just lay the hose on its side, not straight up and down if you do that.
    Above ground soft side Omega pool
    20 feet diameter, 4 feet deep
    Hayward sand filter
    Hayward 1 HP Matrix pump
    Hayward Aquabug Automatic Pool Cleaner

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    Mod Squad Bama Rambler's Avatar
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    SouthWest Alabama
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    Re: Cleaning a dimpled-bottom pool

    I find that a manual vacuum going slowly is the best way to get the swales and dimples clean. I aim the eyeball so it doesn't stir the top of the water so I can see the bottom and go slowly.
    Dave J. TFP Moderator
    24' x 52" Round AGP. 2hp/hp SPL Power-Flo 2-speed pump. 200sqft Waterway Cartridge Filter. 45MHP2(3GPD) Stenner Peristaltic Pump
    Pool School ----- Pool Math ----- TF-Test Kit

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