The chemistry in E52 bonds with the oil, grease, dirt or other soil and removes it quickly with the aid of the hot water. Effective on both oil and water-based soils, is low foaming, and leaves no residue to promote the re-soiling of carpet fibers. 1 oz./gal. (1:128) makes 42.5 end-use gallons, which is equivalent to: 4, 10-gallon carpet extractor solution tanks. Each 4x1 case makes 170 end-use gallons.