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  1. M

    Mustard Algae (I think) on pool floor despite high FC

    Yes, those numbers are from my tests with my Taylor K-2006. The FC doesn't seem to be dropping much. I will try the overnight test. I was just curious if it is normal for algae to only be on the bottom and for the water to be clear. I was wondering if maybe that is a sign that the algae is...
  2. M

    Mustard Algae (I think) on pool floor despite high FC

    Fiberglass pool with FC 16.5 CC <0.5 CYA 40 Ph 7.6 CC Chlorine level seems to be holding yet there is light brown greenish algae on the bottom of the pool in corners etc. There is also the white/gray "dust" that I assume is dead algae. No algae is growing on the walls (which I had last time I...