Q. I am a winter resident in Ft. Myers, Fla., and live the rest of the year in Massachusetts, where I have a vinyl 20-by-40-foot in-ground swimming pool. Last spring when I removed the cover, I ...
Add diluted granular chlorine or non-chlorine pool shock according to package directions, typically one pound per 10,000 gallons of pool water. This treatment removes contaminants that could cause ...