I liked that. Thanks
I go right from 1k to 5k and then strop on felt with diamonds.
They're not that dull. Here, I made a little video. I'm not cutting anything difficult but it's all I have for now. I can't embed it, but here's a link.
That's not even vaguely a rule of thumb.
Also make sure you have the blade clean from the previous stone, and that you do not accidentally transfer grit from a coarser stone onto the 6000 grit