Hey Pam, the answer as to what to do is BLEACH!! Get the water up to shock level/ cya and hold it there until you get no cc or cl loss overnight while running the filter 24 hrs/ day. Brushing speeds the process and you may have to do a good bit of vacing and cleaning the filter. See the stickies in the 'dealing with algae' section. Once the water is clear again, you're ready to close the pool![]()
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