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Thread: Is it normal for fine sand to work it's way through the filter?

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  1. #1
    Join Date
    Dec 1969
    Location
    Attleboro, MA.
    Posts
    160

    Default Re: Is it normal for fine sand to work it's way through the filter?

    I emptied the filter out yesterday. There is nothing wrong with the laterals or the standpipe. I've replaced the spider gasket. Checked the multiport valve, no cracks. I could see the tiny particles of Zeobrite that were through the laterals and bottom of standpipe.

    I replaced my sand last year and had an awful year with dirt/debris at the bottom of the pool, just got frustrated and changed to the Zeobrite hoping that would help the problem. I also use DE.

    I even put a ball control valve on the return and have that closed somewhat to relieve some of the power of my pump.

    At this point I don't really know what else to do.
    Nicole: 18' round AG with AstralPool Sand Filter and 1.5hp AstralPool Pump

  2. #2
    ScottS is offline Registered+ Thread Analyst ScottS 0
    Join Date
    Dec 1969
    Location
    Covington, LA.
    Posts
    104

    Default Re: Is it normal for fine sand to work it's way through the filter?

    I use zeolite (don't remember the exact brand, not that it matters) as my filter media too. I have a brand new 1/2hp pump, 19" filter, and I also get a puff of cloudiness about 2-3 seconds after the pump is turned back on. The cloudy water comes out for about 5 seconds or so and doesn't get trapped when I put a skimmer sock in front of the return.

    I had the same issues with my previous filter (which was also brand new) using Zeosand.

    I now second guess my decision to use this media. I bet if I would have gone with just good 'ol sand I wouldn't have the problem.

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