Removes the dark tannin marks that appear on oak when it reacts with water or metal.
How to use
- Clean the area and let it dry.
- Apply the remover to the dark mark only, following the instructions on the bottle.
- Once the mark has faded, rinse and let the wood dry fully.
- Re-oil the area with Osmo TopOil to restore the protection.
Common questions
Why do black marks appear on oak?
Oak contains tannin, which turns dark when it reacts with water and metal, for example under a wet pan or steel tin.
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