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    Shocking/Staining

    We are still relatively new to maintaining a pool, and we had to clear a little algae in early July. Toward the end of the shock treatment the pool developed brown staining rather suddenly. It is in a radiating pattern from the pop-ups, and an internet search made me wonder if the PH drifted up...
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    Black Algae/Waterfall

    I am a relatively new pool owner(pebbletec), and with these super hot AZ days we must have let our FC drop too low for our CYA level, and now have a few black algae spots on the bottom of the pool. We used a pool pumice to scrape them up & began the shocking process with liquid chlorine last...