Quote Originally Posted by aylad
Check the Best Guess chart sticky note at the top of the chlorine forum...

Janet
I don't think you understood my question.
I realize that the best guess sticky has 15ppm as a shock level.
I have already put enough chlorine in that should have taken it beyond 15ppm.

Quote Originally Posted by waterbear
This would cause a huge chlorine demand since the bacteria will excrete ammonia compounds and urea.
How much should this take to overcome this ammonia compounds and urea ?
At this point I am assuming I have a WHOLE BUNCH of CC.
IS CC bad for the vinyl liner?

I appreciate the help!