We'll be leaving for about 4 or 5 days. Our pool is 18' and is an above ground one and I have purposely not raised the CYA much because I knew we'd have to use pucks. I'm guessing it's 35 or so. It's a hard test to do. We won't be keeping the filter running while we're gone-we've had some trouble with it so I don't want to run it when no one is here. Should I leave the solar cover on or take it off? If I leave it on, is it ok to put the pucks in the floater and leave it toward the middle of the pool? How many pucks should I put in the floater? I have the 3" ones from Walmart. Or would it be better to shock it before leaving instead? Temps have been in the high 80's and low 90's here lately. The pool is very full-the water is overflowing the skimmer because of so much rain lately. Hopefully the kids can get in tomorrow and splash some of that extra water out.