- Joined
- Apr 13, 2014
- Messages
- 522
I would never clean with water a stone that was used with oil. If you do it will surely become unusable
I found a bunch of old oil stones in my late dad's stuff. Some were his, others I am sure he bought cheap at garage sales. The newer ones that he used were pretty clean, some of the older ones were really caked with oil and "gunk." I put the dirty ones in an aluminum cake pan full of water (covering the stones) and dish soap. I put the cake pan in an oven set at 225 degrees F (just over boiling - about 112 Centigrade). I left them there for hours, but I kept adding hot water to make sure that evaporation did not lower the water below the stones. Lots of dirty oil came out and floated around in the water. Some stones needed a second treatment. All came clean.
My wife was out of town at the time. The kitchen smelled like a machine shop for a while.