Mildly alkaline, non-corrosive, powdered cleaner containing all-natural orange extracts. Super-penetrating formula removes ground-in dirt, grease, adhesives, and oil. Use on concrete, brick, stone, and wood floors as well as plastic and metal surfaces. Dissolves 100% in water and leaves no residue after cleaning. Safe on chrome and brass floor drains and in all types of PVC and metal pipes.