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  1. K

    Much less flow in pool ...

    I started noticing a week or two ago that my polaris 280 was running very slow. I finally got some time to check it out and have a bit of a puzzle. I have a pentair pump going into a pentair filter (cartridge) which then hits a backflow preventer valve on to a flow measurement in line gauge...
  2. K

    Algae trouble...

    Brand new to the forum... I have owned the pool for the last 10 years, but have had a service for chemicals. I do the hardware stuff - replace pump/motors/filters/etc... Anyway, this year has been a struggle with algae in spots and at one point the water was a light green color. I worked...