The best choice for a beginner is a splash-and-go water stone or a diamond stone with a dual-grit combination of 1 , 000 and 6 , 000. These stones offer the fastest learning curve, are low-maintenance, and provide excellent tactile feedback.
Both work, but they have very different speeds, maintenance requirements, and learning curves. Let's compare honestly. Diamond stones sharpen much faster and require minimal maintenance, making them ideal for people who want quick results. Whetstones produce superior edges but require more time and skill.
If your knives are very dull or have nicks and chips, start with a coarse grit, such as 200 to 400, to remove the imperfections and reshape the edge. Once you have achieved the desired shape, move on to a medium grit, around 1000 to 3000, to refine the edge and remove any remaining scratches.
Beginners. Start simple: one Medium Coarse (220-300) and one Fine (600–1000) or Extra Fine (1000-2000). This covers repair and a toothy finish for most kitchen and general purpose knives.
Choosing the Best Grit for Sharpening Knives
For most home cooks, a 1000-grit stone is the best option to get started. Follow up with a 4000 or 6000 grit stone to polish the edge. An 8000 grit is very effective for those who want an exceptionally refined mirror finish.
Yes, you can use WD-40 as a lubricant on oil-based sharpening stones, but it is not the best option. Because WD-40 is very thin, it fails to effectively float away metal shavings (swarf), which can clog your stone.
Cutting boards made of glass, granite, ceramic, or your dinner plate may look stylish or convenient, but they are the fastest way to destroy a knife's edge. These surfaces are harder than your knife's steel. So every time your blade contacts them, it suffers microscopic edge deformation, chipping, or even rolling.
To get started, you only need two stones: a coarse stone (around 400 to 1,000 grit) for establishing the edge and removing metal, and a fine stone (around 3,000 to 6,000 grit) for refining and polishing.
Gordon Ramsay primarily uses a traditional honing steel (or sharpening rod) to maintain knife edges before use, emphasizing safety and consistent 45° angles. While he often uses professional whetstones for deep sharpening, modern demonstrations (and fan-used products) have shown the Tumbler Rolling Sharpener to be highly effective for achieving a razor-sharp edge on his knives.
6000 grit is much finer than 1000 grit.
When using a whetstone, you should use both pushing and pulling strokes for the most effective sharpening session.
What Is Sandpaper Grit? Sandpaper grit is sized by a gauge number, with lower numbers signifying larger, coarser grits. For example, #24- or #40-grit sandpaper is a very coarse, rough sandpaper, while the #1,000-grit paper is extremely fine with very small abrasive particles.
The 1000 grit whetstone is often considered the go-to starting point for restoring a dull edge, efficiently reshaping the blade while still maintaining its integrity. As the grit increases towards 3000, the stones become less aggressive, focusing more on honing and polishing the edge.
Diamond stones can be used without any lubrication, but it's generally recommended to use either water (make sure to clean and dry it afterwards), a light machine oil or WD40.
Here are the most common mistakes and proven ways to avoid them:
A coarse/fine DuoSharp Plus stone is a good single stone to start a sharpening toolkit. Combines four grits on two stones and a base in one package at an economical price. These diamond stones are 6" long by 2" and smaller than some stones, but also cost effective with two grits on one stone.
3-Finger Test
Lightly place the knife edge on your fingers (sideways, not pointing down) and gently pull. A sharp blade will feel very "grabby" and not slip easily over your skin.
Rule #1: It is important to use a knife adapted to what you want to do / food you want to prepare. For example, you shouldn't use a bread knife to slice a roast or use the blade of a paring knife and use it as a screwdriver (don't laugh, we've all done it!) Rule #2: Don't drop your knife on the floor.
The best knife lubricant depends on your application: for food prep, use food-safe mineral or coconut oil; for folding knife pivots, use high-performance synthetics like KPL Knife Pivot Lube; and for low-mess storage, choose dry lubricants or waxes.
Yes, you should always wash a knife after sharpening. Sharpening actively removes steel from the blade, leaving behind microscopic metal shavings and stone grit. Washing prevents these particles from transferring into your food or causing the fresh edge to rust and corrode.
Sharpening a knife effectively relies on maintaining a consistent angle (usually 15 to 20 degrees), applying steady pressure (about 2-4 lbs), and establishing a wire edge or "burr". The most precise way to restore a razor-sharp, custom edge is by using a flat whetstone.
Pull-through sharpeners are not universally "bad," but they are generally discouraged for high-quality or expensive knives. They offer quick, convenient edge maintenance but are highly aggressive, removing excess metal and often leaving a fragile, jagged edge.
Whether you sharpen both sides of a knife depends entirely on the type of knife you have.