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Hi All, I was wondering if I shock the pool every week or twice a week and I have Cya in about 40ppm, do I still have to use those 3 inch chlorine tabs in a floater? or that is redundant?

hi I have this thing at the bottom of my pool that I think is mustard algae that has been very hard to get rid off. I used 3-4 rounds of shock in the span of 8-10 days (one of which was 10ppm or more per the strip test), and added Clorox algaecide+clarifier . I usually vacuum the stuff out with...