Friodur 72 1/2. I was reading the above posts regarding stainless and I have seen a similar thing. They dont seem to like the very hard slower Jnats, the grey stones. So I thought maybe test it on a suita but the edge wasn't there yet. To the kiita it went which is a fairly hard stone but very fast. Close and comfortable shave.
Bevel set 1k chosera. Then left to right, botan, tenjyou, suita and then kiita. I used koma on the suita, top white stone and finished on a nice yellow tomo slurry.

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