Mean Green® Boat & Vehicle Pressure Washer Ultra Concentrate is a safe and effective cleaner for use on all vehicles including ATVs, Go-Karts, RVs, boats, trailers, cars, trucks, tractors and vans. It penetrates and loosens road film, dirt, grime and algae/mildew stains without scrubbing. Ready to use, concentrated formula! This product can be used with pressure washer equipment or manually to clean many exterior surfaces. Safely Removes Road Grit, Grease & Grime. Removes Mold, Mildew & Algae Stains. Covers More Surface Area Than Other Brands: Cleans 7500 Square Feet! Makes 30 Gallons (29:1) With Water. Biodegradable & Safe To Use Near People, Pets And Plants.