How to Use a Sharpening Stone: Soaking, Angles, and Strokes

Using a sharpening stone means prepping the stone, holding the blade at a steady low angle, and drawing the edge across the surface. Do that until a burr forms, then remove it. That is the whole process in outline.

The details are where most beginners get stuck. Which stone, how long to soak it, and how much pressure to use all change the result.

This guide walks through how to use a sharpening stone in order, from picking the right stone type to the final deburring pass.

Know your stone first: water, oil, ceramic, and diamond

Not every sharpening stone gets treated the same way before use. The stone’s binder material decides whether it wants water, oil, or nothing at all.

Stone type	Before use	Never do this
Oil stone (India, Crystolon)	Wipe with honing oil	Switch to water after using oil
Water stone (King and similar)	Soak per stone, often 10 to 30 minutes	Let it dry out mid session
Splash and go water stone (Shapton Glass type)	Splash water on the surface	Soak it for extended periods
Ceramic or diamond plate	Splash of water, or use dry	Soak in water or oil

Oil stones, like Norton’s India and Crystolon lines, are traditionally prepped with honing oil rather than water. Norton’s own benchstone guidance says oil works better than water at keeping these stones from loading with metal swarf.

Water stones behave differently. Many need a real soak before the first pass. Skipping that step leaves the surface too hard to cut efficiently.

Do you need to soak your stone, and for how long

The honest answer depends entirely on the stone. No single number covers every type. General waterstone guidance recommends roughly 30 minutes of soaking before use, if the stone was not already stored wet.

Traditional soakers, the King style stones common in beginner kits, are often judged ready when air bubbles stop rising. That usually lands somewhere between 5 and 15 minutes. It varies by stone density.

Splash and go stones are the opposite case entirely. Many higher end water stones use a magnesia binder, including Shapton’s Glass and Pro lines. Sellers and users of these stones consistently describe them as meant for splashing rather than soaking.

Soaking a splash and go stone for extended periods can weaken that binder over time. The safest habit is checking the packaging or the listing first.

When that information is missing, a short splash test helps. It shows quickly whether the surface drinks water eagerly or barely absorbs it at all.

Flatten before you sharpen

A dished stone quietly ruins technique. It wears into a shallow bowl shape from repeated use in the same spot.

The middle of the stone wears faster than the edges. A blade dragged across a dished stone stops touching the true flat surface evenly.

Oil stones are the low maintenance option here. Benchstones typically do not need flattening under normal use, since they wear slowly and evenly.

Water stones are a different story. Softer water stones dish much faster, and frequent users often flatten before every session.

The standard method uses wet or dry sandpaper on a flat piece of glass. Rub the stone across it in a figure eight pattern until scratch marks cover the whole surface evenly.

Setting and holding the angle

The angle held against the stone determines how thin and how durable the finished edge will be. Most kitchen and pocket knives fall somewhere between 15 and 20 degrees per side. The exact number depends on the blade.

For a knife specific stone session, start to finish, see our knife on stone walkthrough.

A permanent marker solves the guessing problem better than almost anything else. Color the entire edge bevel with the marker, then make one test stroke. Check where the ink wore away.

Ink gone at the very edge means the angle is too high. Ink gone at the shoulder means the angle is too low. Ink worn evenly across the whole bevel means the angle is correct.

That stroke can then be repeated with confidence. This trick works for freehand sharpening on any stone. It removes most of the guesswork behind how to use a sharpening stone without a mechanical angle guide.

The site’s angle calculator tool is a fast way to confirm the target number before picking up the marker.

Pressure by stage: raise the burr, then back off

Pressure changes as a session moves forward. Early passes on a coarse grit use firmer, deliberate pressure. That removes metal quickly and raises a burr along the whole edge.

As the grit gets finer, pressure should drop steadily. The final passes on a fine or polishing stone need barely any weight beyond the blade’s own mass.

This progression is common advice across enthusiast communities. No manufacturer publishes an exact pressure number for it. Heavy at the start, light at the finish, is the rule that holds up in practice.

Stroke patterns: edge leading, edge trailing, and circles

There are three common ways to move a blade across a stone. No single authority declares one correct for every situation.

• Edge leading strokes push the cutting edge forward into the stone, cutting the burr more aggressively.
• Edge trailing strokes pull the spine forward instead, which feels safer for beginners and is gentler on softer stones.
• Circular motions blend both directions and appear often in traditional Japanese technique, especially on coarse stones.

A practical approach uses edge leading strokes on coarse grit to raise the burr efficiently. It then switches to light edge trailing passes on the finer stones to refine and deburr.

Personal preference plays a real role once the fundamentals click.

Raising and chasing the burr, then deburring

The burr is a thin curl of displaced metal. It forms along the edge once the stone has actually reached the apex.

Feel for it by lightly dragging a fingertip from the spine toward the edge, on the opposite side from where you are working. That confirms the working side is fully sharpened before moving on.

The other side gets the same treatment, chasing the burr back the other direction. Once a burr has formed on both sides, light alternating strokes on a finer stone remove it.

Skipping this step is the single most common reason a stone sharpened knife still is not shaving sharp. An edge with a burr still attached feels sharp in some spots and rolls over in others.

Which grit for today’s sharpening session

A truly dull or damaged edge needs a coarse grit, often in the 200 to 600 range. That level reshapes the bevel and removes any chips or rolls.

A knife merely losing its edge from normal use usually only needs a medium grit, somewhere around 1000, to bring it back.

A knife that still cuts reasonably well but has lost its final polish only needs a fine finishing stone, often 3000 grit or higher. Working through a full progression is unnecessary in that case.

A grit progression builder maps out which stones to use in sequence for a given starting condition. The grit converter helps whenever a stone’s box uses a different grit standard than the one already familiar.

Oil versus water: the honest answer by stone type

Norton states plainly that oil is the more effective medium for keeping oil stones from loading with metal particles. That is the manufacturer’s official position, not a matter of opinion.

The practical wrinkle shows up once a stone has been used with oil. Water tends to bead up and sit on an oiled surface rather than soaking in.

Switching a stone from oil to water afterward rarely works well. The safest rule is deciding early, based on the stone type, and staying with that medium for the life of the stone.

Stone care and storage

A loaded stone cuts poorly no matter how sharp the blade needs to be. It is clogged with metal swarf and grinding residue.

A stiff brush and a degreasing cleaner clear a loaded oil stone back to a usable surface. Storage depends on how often the stone gets used.

Frequent sharpeners can store a water stone submerged. A small amount of bleach added to the water discourages mold growth.

Infrequent users should store water stones dry instead. A stone left wet for long stretches risks mold, and a wet stone left somewhere that freezes can crack.

Common mistakes that keep a stone from working

Most beginners learning how to use a sharpening stone hit the same handful of walls. Recognizing them early saves a lot of frustration.

Angle wobble is the biggest one. Letting the angle drift even slightly during a stroke rounds off the apex instead of sharpening it. A rounded apex never gets truly sharp, no matter how many passes follow.

Skipping the burr check is another common trap. Moving to the next grit before a burr has actually formed on the current one just polishes a dull edge to a shinier finish.

Jumping grits too early causes similar problems. Going from a coarse stone straight to a fine one leaves deep scratches behind. The fine grit cannot remove them in a reasonable number of passes.

A soft or unstable base under the stone also undermines everything else. A stone that rocks or slides during a stroke makes it nearly impossible to hold a consistent angle. A damp towel or a dedicated holder under the stone is worth the extra thirty seconds.

Carrying grit between stones causes quieter damage. Coarse particles stuck to the blade or to a hand can contaminate a finer stone and leave stray deep scratches in an otherwise clean edge.

A quick rinse of the blade and a wipe of the hands between grits avoids that problem entirely.

Getting started with the right stone

Picking the first stone matters more than most of the technique that follows. A quick quiz that matches sharpeners to your knives narrows the field for anyone unsure whether a stone even fits their needs and patience level.

The angle and burr concepts covered here apply to every blade, whether it is a pocket knife, a hunting fixed blade, or a kitchen knife. The specifics still shift by knife type.

Steel hardness and edge geometry both change what a stone session should look like.

The site’s core guide to sharpening a knife from start to finish covers the fundamentals in full. The kitchen focused walkthrough of sharpening kitchen knives covers details specific to chef’s knives and paring knives.

More stone reviews and technique guides live in the site’s stones and abrasives category.

Frequently asked questions

Can I leave my sharpening stone soaking in water permanently?

Only if it is a traditional soaker stone meant for that use. Splash and go stones, including many magnesia bonded types, can degrade or crack under permanent soaking.

Is one sharpening stone enough to get a knife fully sharp?

Rarely for a truly dull edge. A single stone can maintain an already sharp knife, but reshaping a dull or damaged edge usually needs at least two grits.

How long does a sharpening stone actually last?

Years, for most home users. A bench stone wears down gradually with each session, and heavy daily use or aggressive flattening habits shorten that lifespan.

Can I use regular dish soap on a sharpening stone?

A mild soap and water rinse works fine for a light clean on most water stones. A loaded oil stone needs an actual degreaser to cut through embedded metal residue.

Do I really need to know how to use a sharpening stone if I own an electric sharpener?

Not strictly, but the stone method still teaches the underlying skill. Understanding angle, burr, and grit progression makes every other sharpening tool easier to use well.