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Thread: Closing question about filter

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    Closing question about filter

    Should I remove the filter cartridges before or after blowing out the lines. Is it okay to have the air blow thru them or is it better to remove them first.

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    duraleigh's Avatar
    Join Date
    Apr 2007
    Sebring, Florida

    Re: Closing question about filter

    Where do you live? It matters.
    Dave S. - Forum owner
    42k vinyl and concrete pool, 1.5hp pump, 140gpm filter
    TFTestkits , PoolMath , Pool School

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    Re: Closing question about filter

    I live in Southern New Jersey. I do store the catridges inside over the winter but was wondering about when I should remove them. Before or after blowing out the lines.

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    TFP Guide
    Catanzaro's Avatar
    Join Date
    Jul 2014
    Howell, New Jersey

    Re: Closing question about filter

    I would remove them first, and then push air through the system. The cartridges trap dirt, debris, etc., while water is travelling through the cartridges. If you leave them in the filter and blow air through them, you may loosen the trapped contaminants and allowing dirt to enter back into the pool through the skimmers, returns, main drain. This also ensures that you remove the water in the filter housing, therefore eliminating opening the cover up to a foul odor and possibly mold/mildew in the spring.

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    dw9000's Avatar
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    Aug 2014
    NW Ohio

    Re: Closing question about filter

    I pulled out my filter (prior to blowing the lines), sprayed it down with the hose, and let it dry outside,, then stuck it in the garage.
    In-ground block / vinyl liner 33' x 22' x 5',, approx 25k gals
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    Floor drains, 2 skimmers, 3 return lines (2" plumbing ultra-flex PVC)

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