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Hi folks: With CYA between 60 and 85 PPM intense sun seems to destroy all sodium hypo and calcium-hypo in my pool. It will go from 4 PPM FC and 0.2 PPM CC at 8pm the night before, I'll add 2 PPM 6% sodium-hypo and the next afternoon 0 FC! My sanitizer demand is 1-2 PPM every 24 hours until...