Valco Cincinnati Consumer Products' Magic Mix pre-soak cleaning concentrate loosens dirt so it can be rinsed away just like a touchless carwash. The concentrate quickly removes dirt, grease and grime from most surfaces, and works as a "black-streak" remover. Easy to use, fast acting and 100 percent biodegradable, the concentrate is available in 16-ounce, 1-gallon, 5-gallon and 55-gallon sizes.