Quote Originally Posted by onimaru55 View Post
On the PHIG's I had, I found water alone gave bigger scratches but I don't know if they were wider or deeper. Slurry seemed to give a finer finish but again I also have no proof.
And this is one of the reasons PHIG's are discussed so much. Mine is the complete opposite. It leaves larger scratches when finishing with slurry and an almost mirror finish on water only. There is such a wide variance in these stones that it is hard to give very accurate advice on them.