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Renovator wood "Sorrel salt"
Oxalic acid to clean wood.
Dissolve the oxalic acid in hot water at the rate of 200 g per litre.
With gloves, pass the product with a nylon brush or a sponge on the wood.
Leave for about 2 hours. Rinse with clear water.
Let dry 24 hours.
Packaging: 5kg bucket