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Thread: Sand in my Pool

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    Sand in my Pool

    I changed the sand in my sand filter last summer. Now I keep getting sand in my pool, usually along the edges and steps. Since this makes my wife unhappy, that in turn makes me unhappy. Did I add too much sand or did I not but something back right? I've changed the sand before and did not have this problem.

    Plan on taking the top off the filter tomorrow and look inside to see if I can see anything obvious.

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    Mod Squad zea3's Avatar
    Join Date
    Jul 2009
    Houston, Texas

    Re: Sand in my Pool

    Check for cracks in the laterals and the stand pipe. The stand pipe should also be seated correctly in the filter body. Also check the spider gasket on the multiport valve. If it is bad it can allow sand into the pool.
    TFP Moderator
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    Re: Sand in my Pool

    Thanks, will do.

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    Join Date
    Aug 2010
    Dallas, TX

    Re: Sand in my Pool

    I don't know if adding too much sand will cause sand in the pool, but based on what I understand, it doesn't seem likely. Did you put water in the filter before adding the sand? If not, it's possible you could have cracked a lateral.
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    JasonLion's Avatar
    Join Date
    May 2007
    Silver Spring, MD

    Re: Sand in my Pool

    Adding too much sand means you get sand when backwashing, a little tiny bit of which can get into the pool if it gets stuck in the main valve for a moment.
    19K gal, vinyl, 1/2 HP WhisperFlo pump, 200 sqft cartridge filter, AutoPilot Digital SWG, Dolphin Dynamic cleaning robot
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    Re: Sand in my Pool

    I finally got around to take apart the valve assembly and I'm in the process of draining filter to look at laterals. I attached a couple of pictures to show garbage in the collector and what looks like a broken piece on the valve assembly. This is a Sta Rite T-240BP-1. Thanks for any help.
    Attached Images Attached Images

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