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  1. D

    CYA, mustard algae, chlorine level and out of town

    Hello all, We’re off to a rocky start with our first full season as pool owners. We somehow acquired mustard algae last year, and kind of just kept shocking the pool to keep it at bay. Opened up this year to a swamp, got it clear, and the mustard algae is back. We had no CYA opening, so we put...