Protego Reactive Stain causes a chemical reaction with the tannin acid in Oak. The result is a grey or white weathered appearance. Protego Reactive Stain contains white and grey pigments in order to ensure a visual and uniform appearance. Protego Reactive Stain is available in 2, 10 and 20 litre PE-containers, with declaration of content as well as an extensive work instruction in English. Store the Reactive Stain in a dry and frost-proof place out of direct sunlight. Stir carefully before use and make sure that the material in the container is completely uniform with no sediment at the bottom before use. Stir from time to time during work process.