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Thread: Filter troubles

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    Filter troubles

    Just opened my pool and the water is looking pretty good, but the filter seems to be a problem. When I vacuum over a dirty section, the dirt is discharged almost immediately from the returns back into the pool. Have a Hayward 210T sand filter. I replaced the spider gasket last year but not much else has been done. Any ideas on where to start looking for the problem? Thanks.

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    JasonLion's Avatar
    Join Date
    May 2007
    Silver Spring, MD
    Welcome to TFP!

    Assuming you don't accidentally have the valve set to recirculate, the sand may have become channelized.
    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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