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There is no miracle product, only a mechanical operation to remove the stain left by the acid attack. This operation must be carried out by a professional fabricator.

It’s not a scratch, it’s a deposit from the alloy of metallic objects. Apply a little spirits of salt to the mark, leave for 30 seconds, rub, rinse well and dry.

Unfortunately, it is impossible to make marble completely stain-proof because of its porous nature and its calcareous chemical composition, which makes it sensitive to acids.

It all depends on the type of stone. You’ll find the right methods and tutorial videos for each type in the materials and maintenance section.