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New TFPC disciple here armed with my TF-100. I’ve been testing my pH and chlorine daily and have a question about FC. So, three days ago my tests were as follows: FC: 3 CC: 1 pH: 7 TA: 130 CH: 225 CYA: 45 T: 83 I added 111 oz. of 10% to bring my FC closer to the target. This morning, I ran...