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    Source of metal stains

    When I moved into my house last fall the pool water was clear and blue. When we opened this year and began to shock, heavy iron stains appeared on my stairs and liner. I'm currently taking steps to get rid of them, but am wondering where they came from. The previous owner had a heater hooked up...
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    Shock process and metal sequestering

    Hello everyone. This is my first year with my pool. I've been trying to clear it up for 2 months now. I was taking advice from my local pool store until I found this site. After reading pool school, I realized I have made plenty of mistakes, taken some bad advice, and wasted a lot of money...