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  1. J

    Hayward pro series W3S166T sand filter leak

    My Hayward pro series sand filter tank has sprung a pin point leak on the seam of the tank. Is there any way to repair this? Or is replacement my only option. 18' round × 4' ag pool 7,600 gallons.
  2. J

    Fighting alge and pool chemistry for years until now.

    Hi I'm Joe , I have an 18' round agp. I've been using an OTO chlorine and Ph test for years and fighting alge almost every year. Thought I knew everything until I found TFP. I ordered a TF 100 test set and am patiently awaiting its arrival. My water is all out of wack.walk. see attached. Pool...