Originally Posted by Joe Lerch
When I look at that picture, it seems there's something more at work there. Notice how the very edge is depressed. I saw something similar in the Feather super str8 blade. This just looks too smooth for a 1K stone. With a 1k stone the scratch lines are much coarser, and that determines the depth of the depressions in the edge.
What you could try is going back to the 5K and doing 1 or 2 rond trips with light pressure just to see what effect it has on the edge.
A 1k is so aggressive that it could reform the entire edge quickly, not just the tip. That's counterproductive.