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Thread: Sand filter and DE

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    Sand filter and DE

    I was reading the article on the front page regarding adding DE to a sand filter. It seems fairly simplistic to accomplish, and seems to be beneficial. Am I missing something? Is there any reason to consider not adding DE to my sand filter per the tutorial on the front page? Does it cause the filter to require more maintenance or anything?
    12Kgal, AG, Sand, Hayward Swim Pro SW256T PAKS

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    Smykowski's Avatar
    Join Date
    Sep 2011
    Gurnee, IL (North Suburban Chi-town)

    Re: Sand filter and DE

    Slight added expense for the DE, but it is more work if you do it all the time. The De will trap a lot more, so your pressure will go up quickly. You'll backwash more often, but every time you backwash you lose the DE, so you'll have to start the process again.
    33' round, 23,000 gal AG vinyl , 1HP 2spd PowerFlo Matrix downsized with 3/4HP impeller (X2), Hayward S180T 150# sand filter (X2), Hayward H250 NG heater Pool Store year 1 - $850 for 2 months; Pool Store year 2 - $440 for 2 months, TFPC year 1 - $170 for 4 months; TFPC year 2 - $95 for 4.5 months
    The most important article on this site - The ABCs of Pool Water Chemistry

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    Mod Squad Bama Rambler's Avatar
    Join Date
    Jun 2009
    SouthWest Alabama

    Re: Sand filter and DE

    But even the added backwashing in teh begining is somewhat temporary. As you get the pool cleaner from using DE in the sand filter, the backwashing will get less and less and will get almost back to the place you were when you weren't using DE. Also unlike a real DE filter you can decide when to use it and when not to.
    Dave J. TFP Moderator
    24' x 52" Round AGP. 2hp/¼hp SPL Power-Flo 2-speed pump. 200sqft Waterway Cartridge Filter. 45MHP2(3GPD) Stenner Peristaltic Pump
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