Quote Originally Posted by duraleigh
What has worked well for me in the past is to hold my Cl level at shock value until I was satisfied with the clarity of the water. If your pool consumes additional Cl during this period, you are still clearing. If it does not, there is no harm.

Running pump 24/7 and backwashing as needed is essential to this clearing process.
But his CC=0. Wouldn't that indicate he's not consuming any? Further reduction would be more attributable to the sun, no? My attitude is the less chems, the better. In this case, I think I'd be looking for the filter to do it's job at this point.

C.