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Maintenance And Care

A little care keeps the craft alive

Every Stona piece is made to last — and with a little care, it only gets better with time. Treat them gently, and they’ll keep looking (and working) their best for years.

These basic cleaning recommendations and guidelines for regular maintenance will help to ensure their continued long life and beauty. 

Wood CareSlicing Discs CareLid CareGlass CareSeals Care

For the wooden parts of your Stona grinder and Stonito Jar

Wood Care

Your Stona’s wood is sealed with a food-safe hard-wax oil — a natural protection that keeps it smooth, rich, and ready for years of use.

A bit of care now and then keeps it happy and shiny— no heavy lifting required.

Cleaning your Stona is simple — a small moment of care that keeps your grinder performing effortlessly and looking its best.

Regular Cleaning

Deep Cleaning

Passive care of your Stona products

Wood is a natural material — it lives, breathes, and gently reacts to its surroundings.

Changes in humidity, temperature, or light can all affect its surface and structure over time.

These simple tips will help your Stona Grinder and jars stay beautiful and stable for years to come.

Sunlight

Keep your Stona products away from direct sunlight or heat sources.

Wood is especially sensitive to UV exposure — too much can cause the surface to dry, fade, or even crack.

Humidity & Temperature

Wood is hygroscopic — it naturally absorbs and releases moisture from the air.

That means it expands in humid conditions and shrinks when it’s dry.

To keep your Stona in balance, aim for an indoor humidity level between 40–60% - that’s the sweet spot both for your wood and your comfort.

Extremes in either direction can cause warping or fine hairline cracks over time. If your space feels particularly dry, a simple room humidifier can make all the difference.

For the stainless-steel slicing discs of your Stona grinder

Slicing Discs Care

Sharp Performance, Simple Care

The Stona’s stainless-steel slicing discs are the heart of the slicing system — designed to cut, not crush.

Each disc features hundreds of micro-blades. Cleaning removes buildup, keeping rotation light and performance at its best.

For the anodized aluminum lid of your Stona grinder

Lid Care

The top lid of the Stona Grinder is crafted from high-quality aerospace-grade anodized aluminum — corrosion resistant, durable and built to last.

Over time, your lid may get a little residue — no worries. The anodized finish is strong, easy to clean, and made to handle everyday use.

For the glass of your Stona grinder and Stonito jar

Glass Care

Each Stona glass piece is mouth-blown by European artisans — every curve, tint, and bubble tells its own story.

It’s durable enough for everyday use and won’t mind a little dust or fingerprints. Cleaning isn’t a must — it simply keeps the glass looking its best and ready to shine again.

For the silicone T-seals and O-rings of your Stona grinder and Stonito jar

Seals Care

The seals keep your Stona airtight and easy to use.

Wash them occasionally with warm water and mild soap, then dry them completely before reassembling. When reattaching, remember: the T-seal fits only one way — it belongs on the wooden part, with the lip facing down toward the underside.

Make sure it sits evenly in the groove for a perfect, airtight connection to the glass.