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What are the 3 criteria? I thought it was just that the FC level had to remain with 1.0 from night to the next morning. What else am I missing?

UGH, I was afraid I was a little too quick on that. The OCLT was 1.5. I figured since the green was gone, I was good. So... 1. Back to the shocking process? And don't fall below shock level until the OCLT is 1 or less? 2. Should I do anything or be concerned about my CH? 3. Am I...

I came home from vacation and my pool water was green. I read "how to turn your green swamp into a sparkling oasis" and started following the procedures. When I started, my PH was 8.2+, all chlorine tests were zero, and my CYA was zero. After bringing my CYA up to 30, I only had to bring my...