That's what I had when I got back from out of town. My spouse was reading the strips wrong(he doesn't know how to do any other test) and the chlorine was between 0 and 1. I dosed the pool (30' rnd 52'' high) to 15ppm constant for three days and all the algae is gone. My cya is at 40. Check to see what shock is for your pool running cya at 30ppm. Denise![]()
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