Why all the solvent talk? Isn't this stone being used W/O oil?
And are you committed to the Spyderco medium? It sounds like, if your time is worth even minimum wage, you've spent enough time and money to buy a bunch of DMTs and Nortons, both of which are very good in the medium grit ranges and won't cause you so much headache.
Maybe you should stick with the Spyderco fine (less pourous, easier to clean) and scrap the medium?
John
I use the stone dry. I have plenty of other stones - DMT, etc. The spyderco medium is my favorite though. It's quick and easy, and does a great job of touchup. The spydie fine is too fine to me. Most of the time I am just touching up my EDC, which is usually a carbon steel slipjoint of some sort, and I just like the medium stone for that. I will strop it a little after using it. When I have to do some serious sharpening I have DMT coarse, fine and extra fine stones, as well as arkansas stones, india stones, etc... 99% of the time, I use the DMT coarse to DMT fine to Spyderco medium ceramic, or just use the ceramic for touchups.
I do have some small fine ceramic stones, and they are MUCH easier to clean. In any case, I'm not going through all that again - I know what works for me - the Pumice stone.