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Thread: Sediment Problems

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    Join Date
    Jun 2015
    Location
    Ohio
    Posts
    3

    Sediment Problems

    Hello!
    I am a second year inground pool owner.
    I am seeing sediment, sand I believe since we have a Heyward sand filter, blowing right back in the pools when I vacuum.
    This issue did not exist last year.
    I have backwashed and rinsed multiple times and the sediment still flows into the pool.
    The filter is not new, however I do not know it's exact age.

    Your videos and explanations of how a sand filter works is fantastic.
    Could this be an issue with the laterals?
    The chemical levels are all within the required ranges.

    Thanks!

    I looked for this topic and did not find it, but my apologies if this is a redundant topic.
    In Ground Pool, plaster lined built in 1955
    15,000 Kidney Shaped
    Sand Filter

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    Mod Squad woodyp's Avatar
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    Apr 2010
    Location
    East Texas
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    9,004

    Re: Sediment Problems

    A bad lateral is an awful good guess if you're SURE it's coming back in from the returns.
    16x32x52" Steel Cornelius Miramar AGP Vinyl liner 13,100 gal. Buried 2 ft.
    2 Speed Hayward Power-Flo Matrix 85 g.p.m. 22" 250lb. sand filter hard plumbed
    Pool Rover Jr., Pool Blaster Max, Diver Dave TF100 Test Kit/Speed Stir
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  3. Back To Top    #3

    In the Industry

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    Jun 2015
    Location
    Wildomar, California
    Posts
    423

    Re: Sediment Problems

    Probably if your laterals were broken, then sand will return to pool I would check for the spider gasket in the backwash valve, some type of channeling in the sand, and then the laterals last, because that requires you to remove all of the sand.

  4. Back To Top    #4

    Join Date
    Jun 2015
    Location
    Ohio
    Posts
    3

    Re: Sediment Problems

    Thanks to both of you.
    Yes, the sand is coming back into the pool via the returns. I can see it shoot out of both of them as I vacuum and also immediately after backwashing.
    In Ground Pool, plaster lined built in 1955
    15,000 Kidney Shaped
    Sand Filter

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