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  1. K

    What is the purpose of this ball valve?

    Looking at redoing some of our pool plumbing because whoever built it did a very messy job. Is the purpose of the red ball valve I've circled as a bypass for the jandy valve which diverts water to the pool or spa? Additionally, are the red handles replaceable without replacing the entire valve...
  2. K

    Black algae & old PebbleTec finish. Remodel and refinish, or savable?

    Hi all, We have a saltwater pool with a longstanding black algae problem, which was already established when the home was purchased. There are entire sections of the PebbleTec which appear black in color which a nylon brush does not touch, but a stainless steel brush works on. The PebbleTec...
  3. K

    Pool with compounding problems (SWG inaccuracies, black algae, stubbornly high pH/TA/CH, new mustard algae, etc)

    Hi all, My parents have owned a house for nearly a decade now with an outdoor pool, but it has had problems since the beginning - namely black algae, stubbornly high pH, and calcium hardness resulting from very hard water locally. I'm at the stage where I think we need to drain the pool at...