UltraTech 5237 Ultra-Oil Industrial Stain Remover, 32 oz Bottle Remove stains caused by oil, grease, hydraulic fluid, food grease and other oil-based materials Cleans embedded oil stains from concrete (sealed or unsealed), asphalt, and brick A smaller 16-ounces bottle for smaller stains Absorbents pads and wipes will only solve part of the problem Citrus based, biodegradable and phosphate-free