Quote Originally Posted by David Weaver View Post
When I have used 3x, I have gone from 100 grit to a 1000 grit shapton without issue. Any aggressive medium stone will follow it fine, especially if the last strokes on the paper are on paper that's worn in some before you change it.
Last time I tried that, rehabbing some old blades, I still had a heck of a lot of dubbing to remove when I got to the stones. It was a pain in the rear!

I wonder if my granite substrate wasn't that flat, or if it was a matter or technique, or maybe I grabbed a different paper from the drawer. . .