CleanPrince Depending on the degree of soiling, dilute Cement Haze Remover Mega Concentrate 1:5 to 1:50 in cold water and apply to the surface to be cleaned with a scrubber or brush. After 3 to 5 minutes of exposure, scrub the surface again with the scrubber and then remove the loosened dirt particles with plenty of clean water. Do not allow the product to dry, therefore clean it section by section. Danger warnings: H290 can be corrosive against Metal. H315: Causes skin irritation. H319: Causes serious eye irritation. H335 May cause respiratory irritation. Safety advice: P102: Keep out of reach of children. P280: Wear protective gloves/protective clothing/eye protection/face protection. P305 + P351 + P338: IF IN EYES: Rinse cautiously with water for several minutes. If possible, remove any.