I haven’t seen anyone suggest the 1200/1600 grit ceramic stones that will fit in nicely in-between the 1000 and 1.4 Micron grit levels. It’s what the attached link suggest when using ceramic stones instead of lapping films. Takes longer than using lapping stones but the ceramic stones last much longer obviously. Good luck:)
https://support.wickededgeusa.com/portal/kb/articles/how-to-achieve-a
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