New to BBB and working to get my pool in order. I've finally gotten the pool in balance, but am having problems maintaining FC.
Here are the numbers:
All of that looks fine to me, but my FC drops to 0 overnight and my TC falls to 1. This morning I had to add a 3 gallon Ultra bleach (6%) to get the numbers back up. I had been adding bleach, but did not have CYA up to maintain it. Now that CYA is level, should I have that much of a drop?
Do I still have something growing and need to shock the pool completely? If so, what should my TC and FC reading get to for shock?
22k inground vinyl pool.