TILE AND GROUT: The Tough Action Tile and Grout Cleaner is a powerful deep cleaner that penetrates beneath the surface to remove impurities at every level. POROUS SURFACES: Safe for use on hard, porous surfaces such as marble, cement, stone, brick, ceramic tile, grout, and more. HASSLE-FREE: Easily transform a variety of water-safe surfaces without the need for vigorous scrubbing. VERSATILE FORMULA: Available in both ready-to-use and concentrated forms. The concentrate lasts longer, is multi-purpose, and can be adjusted to suit your cleaning needs. PROFESSIONAL USE: Hygea Natural cleaning products are crafted for premium quality results. This product is recommended for professional or industrial use only.