: Go with 2000 grit or finer. Use a little dish soap in your water
: when you wet sand. From what you said in your post it sounds
: like you know what you're doing with the buffing, but there is a
: product I have always used called "liquid ebony" that
: at least back in the day was the finest buffing compound you
: could get to remove the last little swirl marks. I can't
: remember if it was made by McGuiers or 3M or someone else. It's
: black, very fine, and removes the finest of fine scratches. Then
: I finish off with a cleaner wax.

I have worked with gel coat for 10 years or so and can tell you that 2000 grit to start wont work. When doing repairs on kayaks and sanding pt surface scratches I start with 800 grit and work up to 1500. Buffing at that point usually works out well.

Dave g