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  1. C

    Slow loss of flow at returns

    Thanks for the super speedy responses. I've frequented my pool store and had them take measurements for my water. My phosphates are high, pH 7.8, CYA about 69, TC .5, FC 0 (I've since shocked and, based upon the recommendation of the store, Banish and Starve). The water is clear with a slight...
  2. C

    Slow loss of flow at returns

    Hi all... I recently purchased and Intelliflo 810 and had it professionally installed (it is connected to a Hayward DE Filter). When first starting up and running at 2350 RPM, the pressure at the returns is great. After a few days, it is barely a trickle. I've cleaned the grids numerous...