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Thread: DE coming out of returns

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    DE coming out of returns

    Last night, after manually vacuuming, I backwashed my filter, then turned the the multi port back to filter and I saw what looked like DE coming out of the returns. Is this indicative of a problem with the filter or multi port?
    11000 gal in-ground plaster with spa.
    36 ft2 DE (using Fiberclear)
    Sta-rite 1.5 hp pump

  2. Back To Top    #2

    In the Industry

    Join Date
    Sep 2007
    Los Angeles County

    Re: DE coming out of returns

    D.E. out of the return lines indicates you've got something wrong with your grids, manifold, or possibly even that little stem pipe o-ring. Clean off your grids and do a thorough inspection for holes, tears, cracks, etc. Even small holes will cause a problem.
    Semper Fi and Happy Pooling.

  3. Back To Top    #3

    Join Date
    Mar 2007
    Coastalish 'down easter'

    Re: DE coming out of returns

    Welcome to TFP!!

    Don't forget the possibility of something being bad in the multiport Also, did you rinse after backwashing? (please refer to this for proper care with a DE filter
    Luv& Luk

    Having done construction and service for 4 pool companies in 4 states starting in 1988, what I know about pools could fill a couple of books - what I don't know could fill a couple of libraries :-D

    POOL SCHOOL, TF Testkits, Jason's Pool Calculator, CYA vs. cl chart, (Just a few DARNED handy links!)

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