Krud Kutter 32 Oz Oil Grabber Stain Remover works differently than conventional liquid degreasers. It absorbs and lifts embedded oil stains out of surfaces as it dries from liquid to powder. Proven effective on concrete, asphalt, composite/wood decks, patios, pavers and more. Use on asphalt, concrete, composite decks and more to effectively remove stains from oil, anti-freeze and other auto fluids, Covers up to 18 sq ft per 32 Oz bottle, Absorbs and lifts imbedded stains without scrubbing,Product works as it dries, allow 8 to 12 Hours to dry following application then sweep up substances, For extra stubborn stains apply again, scrub with stiff brush, allow to dry for 5 to 8 hours then sweep, Shake vigorously for 60 seconds before use. Environmentally friendly, safe for people, pets and plants. For best results, use above 50°F in maximum ventilation.