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Thread: New pool DE filter and mushy floor

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    New pool DE filter and mushy floor

    I have a brand new above ground pool. It has a sand base. About 3 days after it was installed my wife and kids got in and left a few divets and said the floor was mushy. What's going on? Also, how do I clean my DE filter? It's a waterway Clearwater 2 from namco. I understand it needs taken apart but how is this done? Once I take care of this, I'll start my chemical questions. Thanks.
    Jon
    24 foot AG
    1 hp pump
    DE filter
    Installed July 26, 2012 by Dig-m installers

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    jimmerz's Avatar
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    Jun 2012
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    Pittsburgh, PA
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    Re: New pool DE filter and mushy floor

    My pool is about 2 weeks old now and the floor seems to be stiffening up. I think it takes a little while for the water to really compact that sand base. I could be wrong, because I too am new to all of this, but our first few swims I was careful not to dig my toes in. My daughter is only in a swim vest too short to touch the floor, so I dont have to worry about little toes yet.

    I havent had to clean my DE filter yet, but there are alot of great people that will chime in and help you out. Welcome aboard and post some pics, lol
    24' x 54" Oceanic Round AGP, 1090 Hayward Skimmer, EC-40 Filter system, Automatic Chlorinator. Pool will be in Full sun for most of the day (9am-6pm).

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    Re: New pool DE filter and mushy floor

    Thanks a lot. I feel a little better.
    Jon
    24 foot AG
    1 hp pump
    DE filter
    Installed July 26, 2012 by Dig-m installers

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    UnderWaterVanya's Avatar
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    Jun 2012
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    Mint Hill, NC
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    2,589

    Re: New pool DE filter and mushy floor

    Inlaws Pool Boy since June 14th 2012, Pool built ~ 2003, In-Ground, 16'x32'
    13500 gal, Vinyl Liner, Fiberglass Slide, TF-100 Test Kit, Hayward 210T
    sand filter, A.O. Smith 1.5HP main pump motor (C48L2N134C1),
    Hayward SuperPump (model ?), Polaris 380 & PB4 Booster Pump

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    Mod Squad Bama Rambler's Avatar
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    Jun 2009
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    SouthWest Alabama
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    22,347

    Re: New pool DE filter and mushy floor

    With a sand floor you're going to have some softness until the floor completely compacts. It's not unusual to have some divots.

    If you tell us the model DE filter you have and whether you have a slide valve or a multiport we can better help with cleaning the filter.
    Dave J. TFP Moderator
    24' x 52" Round AGP. 2hp/¼hp 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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    dattia's Avatar
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    Jun 2008
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    West Chester, PA
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    Re: New pool DE filter and mushy floor

    I thought we were being so careful with our bottom when we had our pool installed over sand... but now when the light is on at night, it looks like the surface of the moon. I think the divots are unavoidable.
    27' round AG
    Hayward Matrix 1 1/2 HP Pump
    Hayward S210T Sand Filter

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    UnderWaterVanya's Avatar
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    Jun 2012
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    Mint Hill, NC
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    Re: New pool DE filter and mushy floor

    Quote Originally Posted by dattia
    I thought we were being so careful with our bottom when we had our pool installed over sand... but now when the light is on at night, it looks like the surface of the moon. I think the divots are unavoidable.
    Our pool was built too long ago and without any knowledge transfer from the owners of the house we have no details on what lies under it. It's vinyl and has a number of soft spots that have dented. I'll post a picture later.
    Inlaws Pool Boy since June 14th 2012, Pool built ~ 2003, In-Ground, 16'x32'
    13500 gal, Vinyl Liner, Fiberglass Slide, TF-100 Test Kit, Hayward 210T
    sand filter, A.O. Smith 1.5HP main pump motor (C48L2N134C1),
    Hayward SuperPump (model ?), Polaris 380 & PB4 Booster Pump

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