What’s the green muck in valley swimming pools?
August 14, 2009 @ 5:28 pm
Submitted by Gina Germani
Okay… I have a 35-year-old swimming pool. Sometimes it’s crystal clear, but other times it’s not. I shock it; I clarify it… it takes days to clear up and then it only lasts for like a couple days. WHAT GIVES? Can someone make a suggestion about how to clear it and keep it clear?








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