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  1. J

    Help me determine what this is - White mold? Algae? Calcium? Something else?

    I've recently taken over management of my new pool and after a drain and refill, am focusing on getting the water chemistry in shape (you'll note in my results below the CYA and salt levels are low for this pool, which has a SWG. Note that the SWG is not turned on yet - I've been adding liquid...
  2. J

    Refilling small pool - do I need liquid chlorine while I wait for SWG?

    Hi All, I am a new-ish pool owner and shifting now to the TFP method after realizing our pool-maintenance person has been managing our pool poorly. I'm excited to dive in to this! Our pool has CYA well above 100+ so I'm planning on draining and re-filling the pool. Nothing like a "fresh"...