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I'm still getting my water tested at a local pool store and using test strips. (I'm going to try and get better tests soon.) But, I can't keep chlorine in my pool because I can't keep the CYA levels up. They keep dropping about 8 to 10 points a week. I have no water loss. And I have 3 large...

I've had the pool for 5 years and had a company maintain it but they started doing a really bad job over the winter and it was green and awful this opening season and so I decided to take over myself. The calcium levels were through the roof and it was so dirty that after a bit of work we...