This economical built detergent is formulated for the toughest, most troublesome laundry problems where price is of major concern. Biodegradable, contains optical brighteners and fast acting cleaning agents, and is effective on natural and synthetic fibers. Highly concentrated for use in hotels, motels, schools, hospitals and nursing homes. Cleaning is provided through the use of modified detergents rather than strong alkaline booster compounds. Works well in hard or soft water. Versatile use in most systems.