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I switched to BBB about a month ago. I've gone through two shocks (about two weeks apart) that lasted a good four days each. Currently my overnight chlorine loss is <1.0ppm and CC<.5. My CYA is around 60. My daily chlorine consumption is running a pretty steady 8ppm per day. I can't figure...

Is there an optimum time of day to test CYA levels? If I test mid-morning, back to the sun, I get a higher CYA reading than when I test the same way in the afternoon.

I have just recently switched to the BBB method. My water is beautiful - crystal clear. I live in central Indiana. We have had tons of rain and hot weather so far this season. I have been testing with the k-2006 religiously. I know my TA is on the high side. I'm planning on using the...