Tannin - Polished/Honed Stone

Removing Tannin Stains from Polished or Honed Stone Surfaces

Tannin stains often appear on polished or honed stone, especially outdoors on patios, paths, and driveways near plants and wood. These stains show as brown or yellow marks and usually resist regular cleaners. Using the right products removes them safely.

What Causes Tannin Stains?

Tannins come from natural compounds in many plant materials. Moisture releases tannins that stain porous polished or honed stone.

Common tannin sources include:

• Wooden furniture—tables, chairs, benches, or decking release tannins when wet, especially in rainy or humid weather.
• Leaves and organic debris—fallen leaves and twigs left on stone can cause brownish stains.
• Tree sap and rainwater runoff—sap or tannin-rich water drips from branches onto stone, causing marks.
• Mulch and compost—wet organic landscaping materials transfer tannins to stone surfaces.

Polished and honed stones still absorb tannins if not sealed or cleaned quickly.

How to Remove Tannin Stains from Polished/Honed Stone

Use a specialist cleaner designed to break down organic stains without harming polished or honed stone finishes.

Unlike standard cleaners, a tannin remover:

✔ Targets organic stains without acids or harsh abrasives.
✔ Lifts stains while protecting the stone’s smooth finish.
✔ Works safely on all outdoor polished or honed stone surfaces like patios and walkways.

Most tannin stains come out after one treatment. Tougher stains may need a second application.

Preventing Future Tannin Stains

Preventing tannin stains keeps polished or honed stone looking fresh. To reduce staining risks:

✅ Seal the stone surface with a quality, stone-safe sealer to block tannins and make cleaning easier.
✅ Clear leaves and debris quickly, especially after rain.
✅ Use sealed or treated wooden furniture to reduce tannin leaching onto stone.
✅ Rinse stone surfaces after storms or leaf fall to stop stains from setting in.

Why Choose a Specialist Tannin Remover?

Household items like vinegar or lemon juice can harm polished or honed stone by etching or dulling the surface.

A professional tannin remover:

✔ Removes stains without damaging the stone’s finish.
✔ Uses non-acidic, gentle ingredients that protect the surface.
✔ Works efficiently with minimal scrubbing.

Tannin stains happen naturally near wood and plants. Using the right stone-safe remover clears them quickly and safely.

Keep your polished or honed stone in great condition by sealing and clearing debris regularly. This keeps patios, paths, and driveways looking beautiful and protected for years.