Slurry on a coticule

Hi,
I'm settling in on a yellow coticule for a finishing hone. I know I won't need to do more aggressive work on a Lynn presharpened razor for quite some time so I know water with the yellow stone is all I need at this point.

I plan on finding a cheaper second-hand razor on which to practice-- I probably will need to start with more aggressive honing. What's the right procedure for creating slurry? Do I just need "lap" the stone with sandpaper to create the slurry, or do I need a second "slurry" stone? If a second slurry stone is needed, do I need to re-lap the main stone after using a slurry stone?

Thanks
BH

A slurry stone is nice to have. Howard at the Perfect Edge sells them. When you use a slurry stone the particles from both stones intermingle and it is all coticule. For making slurry with odd stones that I don't have a slurry stone of the same material I use a small DMT diamond plate about the size of a credit card. It is cheap and is made for touching up small edged items. You could do it with sandpaper but you might get some of the grit in the mix. As far as flattening after making slurry I don't and AFAIK it wouldn't be required until you had honed a few razors ........ or more then a few.