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Thread: Cloud of Dust

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    Cloud of Dust

    I just just had an 18 X 36 IG installed about a week ago. It has a hayward 1 1/2 pump and 300 lbs sand filter. After I backwash and rinse, I get this large dust cloud out of the returns for 30 or 40 seconds. The pool looks so nice cleaned but I hate to backwash because it appears to put more sediment back in the pool. Do I have a problem with this filter? Any help would be appreciated.
    22yr pool owner, 21 yrs Baquacil, installed SWG 2009 - (22000 gal Vinyl In-ground pool)(Pool Pilot DG-220 SWG)(Hayward S244T Sand Filter 3.1 sq ft area 20 gpm)(Hayward SP2607X10 1hp pump)

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

    Re: Cloud of Dust

    Are you backwashing till the water is completely clear?
    You may need to rinse a bit longer.

    You've just had it a week and are already backwashing? You should have backwashed the sand when first starting the pump but you shouldn't have to bsckwash so soon unless there is something wrong.

    I'm sure some of the experts will be along to help you with this.
    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
    Pool School ----- Pool Math ----- TF-Test Kit

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    JasonLion's Avatar
    Join Date
    May 2007
    Silver Spring, MD

    Re: Cloud of Dust

    The sand should have been backwashed for at least 2 minutes when the filter was first turned on. After that you should not backwash the filter until the pressure goes up by about 6 psi over the clean filter psi reading. When backwashing the filter it is important to backwash until the water runs completely clear, which is often 3 to 5 minutes, sometimes more, then rinse for 30 seconds, before returning to filter.
    19K gal, vinyl, 1/2 HP WhisperFlo pump, 200 sqft cartridge filter, AutoPilot Digital SWG, Dolphin Dynamic cleaning robot
    Creator of PoolMath and Pool Calculator. Other handy links: Support this site, TF Test Kits, Pool School

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