My roof has hard water stains, from a leaky swamp cooler. I fixed the cooler problem but now I have hard water stains on my roof. I am not sure whether to paint them or try to clean the hard water stains. I have a power washer but I am afraid it will damage the roof shingles. If I go with the paint what type should I use? Would CLR work better? any suggestions?thanx in advance!

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It’s in my ceiling, and the roof has been repaired, but some of the drywall for wet and has bulged the paint. I am hoping to not have to cut out the whole panel and rehang the ceiling, but is there a good or quick way to repair, patch, or otherwise deal with this?

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