Here is one way to clean a sharpening stone that worked great for me.
Cleaning norton oil stones.
They are much more resistant to cupping than arkansas but they absolutely require oil.
Oilstones will work with almost any oil.
To obtain top flight performance and optimum productivity to cutlery woodworking tools and other precision tools and instruments their edge and finish requires proper maintenance with a quality sharpening product.
Boiling and old stone perhaps with some detergent or as someone suggested using a dishwasher will certainly clean up an old stone but oil will remain in the stone.
I ve had this tri stone since before i could drive and have caked on the honing oil ove.
Wipe down the stone thoroughly.
For over 190 years the norton line of sharpening stones has brought solutions for craftsmen and hobbyists alike.
Learn the basics of sharpening care and storage for norton oil stones.
Wet a clean cloth or paper towel and wring it out.
Diamond stones or the new ceramic ones would be nice for that too but you can t beat the price on an oil stone.
After scouring the stone remove the remaining dirt oil and wd 40.
Natural stones are usually much softer and finer grit than synthetic stones i use a 2 1 kerosene light oil mix as a lubricant and clean the stones with kerosene.
For more information and to explore norton s full line of sharpening tools visit htt.
Scour your sharpening stone whenever oil grease or dirt begin to build up on the surface and dull its effectiveness.
Therefore a hard and black hard are needed to augment india stones in order to establish a polish.