I did want a book! This has all been SO helpful!! I know exactly where I need to start and the course I am going to maintain. And conveniently, I am physics teacher and can totally calculate the flow rate turnover in my pool! YES!!
One last question: what do you use to clean your sand filter and how often do you clean it? How often do you replace it? I think the filter is working fine, but it could be what I am just used to, you know what I mean? When the PSI goes up, I backwash and I know what my clean pressure hovers around, but wondering if a clean pressure of about 19 PSI is normal.
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