Ultimate Grout Cleaner for Tile Floors Blasts Away Years of Dirt and Grime. Heavy Duty Spray Cleaning Solution. Safe for Colored Grout and Natural Stone. Professional Results 2-QTS W BrushPowerful Grout Cleaning: Features a professional strength, acid free formula that deeply cleans and removes tough stains from tile grout in kitchens and bathrooms. Safe for Delicate Surfaces: Confidently use on colored grout and natural stone surfaces like ceramic, marble, and granite. Our acid free cleaner prevents damage to floors and walls. Restores Grout Color: More than just a cleanerrevives the original color of your grout, enhancing the