paint question

Another option is a wet gray scuff pad with sanding paste. Some guys use comet cleanser or soft soap. Rinse well, wipe of with some type of final wash. I agree with Waggin, go easy with the basecoat, the reducer is very aggressive, so take care when sanding in the edges. a slower(higher temp rated) reducer is less aggressive than faster...dust on til covered, let is flash off then clear. If your intial job only had 2 coats of clear take your time sanding.

Bob