if FC drops below minimum, but only for a short while, is it always necessary to bring it up to shock level if you have CC of 1?
I'm a little late adding chlorine tonight....have a FC of 1.5, CYA of 30, and CC of @ 1.
Do I really need to bring FC up to 12?
I'm a little late adding chlorine tonight....have a FC of 1.5, CYA of 30, and CC of @ 1.
Do I really need to bring FC up to 12?