This formulation effectively removes the toughest built-up soils from all types of grout and concrete surfaces using a low-foaming surfactant system. Formulated with no volatile solvents of any kind, the product is suitable for use on concrete, porcelain and ceramic tile, and can also be used on floors, counter tops, tile walls in showers, and fiberglass tubs and enclosures. Especially effective on greasy soils and grime. Concrete, Tile and Grout Cleaner is VOC compliant in all states. No volatile solvents. VOC compliant in all states. Excellent detergency – displaces and dissolves soils. Excellent foaming action lifts soils. Surfactant is fully and rapidly biodegradable.