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Thread: Is HTH DE filter aid the same as regular DE?

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    Is HTH DE filter aid the same as regular DE?

    Have been advised to add some DE to my sand filter. Our local store has HTH DE Filter Aid in 10 lb and DE of another brand in 25 lb box. I would rather have the smaller container, but can't find out whether the Filter Aid is the same as regular DE, or if it is ok to use for this application.
    21 x 41 above ground, vinyl, with deep end; 28,000 gallons; Hayward S210T sand filter, Hayward 1.5 hp pump,

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    linen's Avatar
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    Jul 2010
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    Twin Cities, MN
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    Re: Is HTH DE filter aid the same as regular DE?

    Yes, that is what I use.
    TFP Expert who uses Pool School and my TF100 test kit along with PoolMath for my: Round 11K gallon AGP with deep end, 20" sand filter, Matrix 1hp 2spd, 6 2ftX20ft solar panels (and solar cover!), Intex SWCG (copper bars disconnected) and a Rubadub hot tub (chlorine). The SLAM process is not finished until: 1. CC < 0.5 ppm, 2. An OCLT < 1.0 ppm and, 3. The water is crystal clear.

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