: What can I expect to happen if I don't. All looks fine now other
: than a dimply texture. I can sand it down but since this was a
: final fill coat, I would have to sand through some glass to get
: to the stuff that filled in the low spots. Not sure I want to do
: that.

Lightly sand to get rid of the bumps, then scrub the surface with a scotchbite pad and soap and water, then again with plain water. Will eliminate most problems, let dry well then recoat. If it doesn't you'll see the problems with the water rinse, will act like the epoxy would cept the water will just dry.

Bill H.