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I brush my walls at least once a week, but recently I've seen this hard algae attach to the walls not a lot but is there, and I would have to go under water to scrape it with an aluminum brush, has any one experienced this? Thank for your help...here are my readings: FC:5--CC:0--TC 5--PH...

Hello everyone, I have a question regarding water evaporation. When filling my pool with municipal water, say about 4'' I guess about 300 or so gallons, do I need to adjust my chlorine, ph and ta? Does adding that much water affect the chemistry of the pool? Should I add chlorine, say 2 cups...