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Thread: DE Pool School

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    DE Pool School

    26,500 gallon pool, Hayward sand filter
    TC 6
    PH 7.8
    TA 90
    CYA 45
    BO 45

    I backwashed my filter and added 2 cups of DE to my sand filter, 1/4 cup to a gallon of water at a time. My pressure is up from 1/2# to 3/4#; it jumps a little. I did not want to put more than 2 cups in even though I did not get a full 1# of pressure increase. I will watch the pressure tomorrow.

    Now my DE Pool School question. When should I add more? Your page did not inform me of future use.

  2. Back To Top    #2
    Mod Squad Bama Rambler's Avatar
    Join Date
    Jun 2009
    SouthWest Alabama

    Re: DE Pool School

    You would add more whenever you backwash. It'll backwash out with the debris.
    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

  3. Back To Top    #3
    Mod Squad woodyp's Avatar
    Join Date
    Apr 2010
    East Texas

    Re: DE Pool School

    Makes a nice snow globe in the sight glass!
    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
    Margaritaville Frozen Concoction Maker, Liqour Chiller, & Drink Mixer & Party Tub----Collect 'um all!

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