A powdered biodegradable synthetic car and truck wash detergent for spray washers. Excellent cleaner for whitewall tires. Free rinsing. You can dilute 2 pounds to 50 gallons of water. Light pink powder with slight citrus fragrance. It is especially designed for automatic spray car washers in urban, industrial, and high humidity areas. Excellent cleaning can be expected when used through wand-type spray machines. Designed to remove that last dark film caused by industrial fall out, soot, and stubborn road soils.