Can you use a whetstone without oil?

Author: Kianna Murazik  |  Last update: Friday, July 11, 2025

A water whetstone is specifically designed to absorb and release water during grinding. The porous structure of the stone supports the removal of metal particles. If you try to use a water grindstone with oil, it will lose its absorbency and will no longer work efficiently.

Do I need oil for a whetstone?

  • If you're using a whetstone to put an edge back on your knives, you're going to want to lubricate it with something.
  • The other method is to add oil to the stone whilst sharpening, this has the same effect as the watee BUT is more messy and more expensive.
  • So the quick answer is Yes you can sharpen with olive oil

Can a whetstone be used dry?

Yes, a whetstone needs to be wet in order to be used. It should be soaked for at least 45 minutes, or per manufacturer instructions, Wetting the stone helps it last longer, while stones used dry tend to wear out faster.

Can you use a sharpening stone without oil?

A lot of natural stones are marketed as oilstones, and they do work nicely with oil. However they do not 'require' oil. The feel of the stone may be significantly different with water- try using a lighter touch with water.

What can I use if I don't have honing oil?

Any mineral oil will do (honing oil is just light mineral oil). Many use the 'pharmaceutical grade' mineral oil found in the laxative aisle at the grocery/drug store, which is a little heavier, but it'll work just as well (and it's cheap). Baby oil is the lighter grade, with a bit of scent added. It'll also work fine.

Whetstone Sharpening Mistakes that Most Beginners Make

Can WD-40 be used as honing oil?

The purpose of an oil on an oilstone is to lubricate and carry away the waste from sharpening. WD-40 does neither of those well. 3in1 oil or mineral oil is a better bet. Most honing oils I've seen seem to be just mineral oil.

Is honing oil necessary?

Standard hones do not require oiling, however you will notice as you sharpen that the hone will begin to move across the blade more smoothly. This indicates that the pores of the stone may be clogging with filings, which reduces the effectiveness of the stone. Clean the hone by putting a few drops of oil on it.

What liquid to use on whetstone?

Sharpening stones include water stones (whetstones used with water) and oil stones (whetstones used with oil). Water and oil provide a lubricant on the surface to eliminate any extraneous friction, improve sharpening power, and prevent damage to the stone itself.

What is the difference between a whetstone and a sharpening stone?

Another term often used for sharpening stones is whetstone. Both terms mean exactly the same. After all to whet is to sharpen! It is a rather dated term but one that is still used regularly.

What is the best lubricant for sharpening stones?

While plain water, windex ect. will work, Krud Kutter is the best lubricant to use for diamond sharpening stones.

Can you ruin a knife with a whetstone?

This takes practice, and you have to be careful, as using a whetstone incorrectly could weaken or damage a blade's edge. It can be fixed, but still – practice and caution are key. Another thing to keep in mind about whetstones is grit, indicated by the numbers on the side of the stone.

Do you have to soak a whetstone every time?

Many whetstones require to be soaked before you can sharpen with them and generally speaking, you'll need to do this for between 15 and 20 minutes. Some whetstones can be stored in water permanently which eliminates the need to soak them before each use.

Why is it called whetstone?

It is a bit old-fashioned now, but the process of sharpening used to be called "whetting", so to sharpen a blade was to "whet" it. Any stone used for sharpening was therefore called a "whetstone" or "whet stone".

Should you use oil when sharpening a knife?

Using sharpening liquids will help you make your knife as sharp as a razor. This prevents the steel from coming into contact with water, which reduces the risk of rusting. With the right oil, the sharpening process will be both convenient and fast. The best option will be the use of specialised liquids.

Can I use 3 in 1 oil on a sharpening stone?

“3 in 1” oil is very good, as are most gun oils. After using any I'd my oil whetstones, I usually spray a bit of WD40 on then wipe it with a cloth to clean excess oil and metal from the stone. Some if my stones have been in use for 30 years or more, with minimal wear.

Do whetstones wear out?

Whetstones will wear away with use, typically in the middle.

Is it better to use oil or water on a sharpening stone?

Depending on the material properties of the liquid, your knife edge will feel more or less slippery along the surface of the stone as you sharpen. Mineral oil is a little more viscus (or thicker) than water, so it has a slightly different feel while sharpening and, typically, it is preferred by most serious sharpeners.

Why are pull through sharpeners bad?

Electric pull through sharpeners remove way too much metal and shorten the life of your knife by years. Ceramic wheel sharpeners tend to take chips and chunks out of thin Japanese blades. Because of the mechanics of use, it is impossible to apply the same amount of pressure throughout the blade.

Are knife sharpeners as good as whetstones?

Using a whetstone gives you control over the angle of the blade and the pressure that's placed on the blade—something that isn't true with manual pull-through and electric knife sharpeners. You also won't find a sharpener that works on as many types of knives.

Can I use WD-40 on a sharpening stone?

Your stone will require lubrication to function well. In the sharpening phase, we do not recommend any current WD-40® Brand Products although some may be used later for storage & protection. For sharpening stones the lubrication can come from water or oil.

What is a substitute for honing oil?

The term “honing oil” in many cases refers to a petroleum based oil, however it is also used as a generic term to describe the liquid used in the honing process. Some people use Windex, Simple Green, and even water to sharpen that are not oil based.

Is it necessary to use knife oil?

Oiling your knife is a simple but essential part of maintaining it. By applying a thin layer of the right oil (like food-grade mineral oil for kitchen knives or specialized oils for outdoor blades)you protect against rust, corrosion, and wear.

Is baby oil mineral oil?

To begin, you're probably wondering, “What is baby oil?” Baby oil is comprised mostly of mineral oil, a colorless, odorless liquid made from highly refined petroleum. Lubricating mineral oils are most often created for one of two purposes: industrial uses and more highly refined consumer-grade uses.

Should I hone before sharpening?

“When you think you need to sharpen, you probably just need to hone it on a steel. I would do that first,” says Sergio Menchaca of Texas Sage Forge. “When you sharpen, you're actually removing some of that steel. Honing just realigns it.”

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