PROFESSIONAL STRENGTH FORMULA ELIMINATES SLIPPERY FLOORS BY REMOVING GREASE BUILD-UP. SAFE YET EFFECTIVE COMBINATION OF GLYCOLIC AND CITRIC ACIDS AND POWERFUL DETERGENTS PENETRATES DEEP INTO TILE CRACKS AND GROUT LINES. TREADMATE DOES NOT LEAVE A SLIPPERY ALKALINE RESIDUE. USE ON QUARRY TILE CERAMIC TILE CONCRETE BRICK AND VINYL FLOORS. EACH PACK MAKES 4 GALLONS.