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Thread: AGP pool is fine, but sand filter no longer level

  1. Back To Top    #1

    Join Date
    Jun 2007
    Houston, TX

    AGP pool is fine, but sand filter no longer level

    Between the drought last year and the floods this year, the cement blocks on which my sand filter sit have become unlevel. Hence, I realised this morning the filter itself is 1-2" off level. It has probably been sinking slowly all summer, and just got off kilter enough for me to notice it.

    Will this impact the way the filter functions?

    We seem to be getting air into the filter, and I don't see a problem with any of the joints. Figured it would be smart to find out the leveling before I start having to tear things apart, etc. Of course, to relevel it, we will have to empty the filter so it can be moved enough to reset those blocks. If I do that, I guess I will go ahead and think about replacing the sand at the same time (it is 10+ years old)

    Thanks for any advice!

    Houston, TX

    17,300 gal above ground with a two speed Pentair pump and 26" sand filter
    near Houston, TX
    18x36 AGP, 150# Waterway Sand filter, Pentair Dynamo 3/4 HP two speed pump, Solar Bear solar panel

  2. Back To Top    #2

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

    Re: AGP pool is fine, but sand filter no longer level

    Easy enough to shim it back to level as a temp fix.

    It has nothing to do with your air leaks as they are coming from the suction side of your system....not the pressure side.
    Dave S. - Forum owner
    42k vinyl and concrete pool, 1.5hp pump, 140gpm filter
    TFTestkits , PoolMath , Pool School

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