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  1. R

    Pentair clean and clear 100 or Hayward C900 which is better?

    We live in South Florida and our Hayward C800 filter leaks badly from small vertical cracks where the cap meets the main body. I am going to try some marine glue but am not very confident that will be a long term solution. Hayward and Pentair seem to be the most popular replacements here. The...
  2. R

    replacing Hayward C800 with C900 can I use the same cartridg

    The hole size 4" and overall height 17 3/8" is the same. The only difference is the overall diameter of the cartridge... the C800 is 8.5"...the C900 is 8 15/16"..this means I would have less than 1/4" (3.5/16th")difference on each side. Will this cause a problem ? Since the height and hole...