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  1. R

    Phosphates, TDS, CYA, FC TC are high

    Hi, Just joined the forums. Had a local pool store test my water today: Info: Plaster pool in AZ, Cartridge filter system. Would guess 10-12kish gallons. Have been fighting some green algae on walls (not too much, mostly on south pool wall, annoying to look at). Wire brushed all walls...