Engine Wash is a water-base multipurpose cleaner/degreaser. Cuts heavy grease and soil on engines, shop machinery, tools, garage floors, printing equipment, bicycles, garden and farm equipment. Dilute 50-50 for heavy duty degreasing to as much as 10:1 for average degreasing applications. Safe interior dilutes 10:1 to 20:1. Will not stain painted surfaces.