Krud Kutter Concrete & Driveway Pressure Washer Concentrate Cleaner, 1 Gallon is a powerful and versatile cleaner designed specifically for concrete and driveway surfaces. It features a unique additive called oil grabber that penetrates deep into surfaces to dissolve stubborn stains caused by grease, oil, algae, mildew, and dirt. This cleaner is for use on a variety of surfaces including concrete, brick, masonry, driveways, asphalt, patios, sidewalks, garage floors, and basement floors. It also helps promote the adhesion of paint, stains, sealers, and other coatings, making it an excellent choice for surface preparation. The formula is earth-friendly, water-based, biodegradable, nonflammable, nontoxic, and nonabrasive, ensuring safe and effective cleaning. One gallon of this concentrate makes 11 gallons of ready-to-use solution and covers approximately 2000 square feet. The product comes in a convenient 1-gallon pour bottle for easy application.