Even the best water stone won't help if you make basic mistakes when sharpening. Using a variable angle, applying too much pressure or using a dry stone can ruin all your hard work in minutes. Learn which mistakes to avoid to sharpen your knives effectively and avoid damaging them.
Sharpening knives on waterstones is one of the most effective and precise ways to restore perfect sharpness. A whetstone enables you to control the angle, abrasion rate and polishing stage, resulting in a knife that cuts perfectly and wears out more slowly.
However, to achieve the best results, it is important to avoid mistakes that can quickly damage the blade or the stone's surface.
Here are the most common mistakes and proven ways to avoid them:
1. Variable sharpening angle
This is the most common and costly mistake. If the angle is inconsistent, the edge becomes uneven and loses its effectiveness. It is best to choose an angle of 15–20° and maintain it consistently throughout the blade. Beginners can use angle guides or simple tricks, such as placing two coins under the blade.
2. Too much pressure
Pressing the knife too hard against the stone won't speed up the process, and it can damage the edge or scratch the stone. Sharpening is a delicate process, so work calmly and allow the stone to do its job. A well-moistened stone will 'draw' the steel on its own.
3. Insufficient hydration of the stone
A dry stone can quickly damage both the blade and the stone itself. Before sharpening a knife on a waterstone, always wet the stone. While sharpening, maintain a thin film of water on the surface. This film carries away filings and cools the blade.
4. Sharpening only one side
Using an uneven number of strokes will result in an imbalanced edge — the knife will be sharp on one side and dull on the other. Always sharpen both sides evenly, using a consistent rhythm and number of strokes.
5. Skipping polishing
Many users stop sharpening after the first stone. That's a mistake! A fine-grit stone (3000–8000 grit) will smooth the blade and remove micro-burrs, improving the knife's cutting ability and ensuring it stays sharp for longer.
6. Neglect of the stone itself
A grooved stone will never produce a good result. Regularly check its flatness and, if necessary, level the surface with a special plate. After use, wash it thoroughly, dry it, and store it in a dry place.
7. Lack of regularity
If you don't sharpen often enough, you'll have to remove more material to get back to a sharp point. It is better to sharpen more frequently but gently, as this keeps the edge ready for use and reduces blade wear.
Summary
The best way to achieve a perfect blade is through a combination of knowledge, patience and consistency. A sharpening stone can work wonders if you give it a chance and approach the sharpening process with care. Avoid the above mistakes, and your knives will reward you with perfect cuts every time.