Formulated with Oil Grabber technology which is a unique additive that penetrates the surface to dissolve tough stains from grease, oil, algae, mildew, and dirt. This safe, effective concentrate is ideal for use on concrete, brick, masonry, asphalt, driveways, patios, sidewalks, garage, and basement floors. It also prepares surfaces for finishing by promoting the adhesion of paint, stain, and sealers. Environmentally friendly formula is nontoxic, nonabrasive, biodegradable, and nonflammable. Gallon.