Should I Use Water Or Oil On My Stone When Sharpening A Knife?

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Oil has been used on stones for many years, but some claim that no liquid should be used on the sharpening stone. The purpose of the stone is to rub against the blade and remove metal. Slippery liquids, like water and especially oil, make the rubbing slicker, causing less metal to be removed, causing sharpening to take longer. As your edge is being sharpened on the stone, the oil suspended metal particles are washing over the edge and dulling it again.

On an Arkansas stone, the oil is supposedly needed to float metal particles away from the stone surface, in case the stone clogs and stops cutting. Some people have used their Arkansas stones without oil or water and have reported good results. But, if you've already used oil on your Arkansas stone, you'll probably need to keep using oil on it or it may clog up if you don't keep it oiled. If you have a fresh Arkansas stone, you should use it without the oil. Using any liquid will make the sharpening process slower and messier.



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