New pool owners last year and we did not get it covered soon enough or well enough for winter. The water is UGLY. We have gotten all the big stuff out that we can and are running our robot and sand filter. We started to attempt a SLAM yesterday with a CYA of about 35. We have a 14,000 gal above ground pool. If I'm understanding correctly, our SLAM level for FC should be 14. Pool Math tells me to add 1 1/2 gal of 12.5%, but we have not been able to reach SLAM level. If we check an hour later, we are down to a 2. That being said, the water is becoming clearer. Should we be doing something different? My concern is that we are wasting chlorine, and we all know we don't want to do that right now.