How To Sharpen Ceramic Knives At Home Video. Soak the whetstone in water until the bubbles stop surfacing (ceramic stones that have not been baked do not need to be soaked before use). Learn how to use a knife sharpener like a stick sharpener, simply hold the knife edge down while you drag it across and down the stick surfaces as you learn how to sharpen a.
As an alternative, you can also sharpen your ceramic knife with a diamond file. First, hold the sharpening rod and point the surface down, using your left hand. You can use the two slots to sharpen your ceramic knives.
I sharpened all my kitchen knives.”
First, soak the whetstone in water for 10 minutes. You can technically use other types of knife sharpeners, but diamonds are harder and thus will require far less work to remove material. There are three ways to sharpen a knife yourself: The diamond size should be as small as you can get—1000 or more (6 microns or smaller).