Alliance Gator GATORCLEAN0212 1 qt Gator XP Oil and Grease Remover - Gator XP Oil and Grease Remover easily removes tough stains such as motor oil, cooking oil and grease. Just shake the bottle, spread it on the stain, let it dry, and sweep it up. Use it on concrete, brick, wet cast and natural stone. Do not use on asphalt (blacktop). Gator XP Oil and Grease Remover is biodegradable and phosphate-free.