STONETECH Professional KlenzAll Alkaline Stone Cleaner - 1 Gallon Concentrate Professional strength formula quickly wipes up stubborn grease and soils. Formulated with advanced, alkaline-based soil and grease cutting technology. Features + Benefits: Powers through stubborn grease & soils Safe on stone, will not etch Professional strength, alkaline formula Where to Use: Natural stone such as marble, granite, limestone, travertine, slate, terrazzo & sandstone. Ceramic tile, porcelain tile & grout. Masonry & concrete. Directions: Note: Directions may vary depending on size. Always test in a small inconspicuous area to determine ease of use and desired results. Make sure all surfaces to be cleaned are swept or vacuumed to remove loose debris. Spray directly on soiled area. Minimize overspray. Scrub with a clean, non-abrasive sponge or stiff nylon brush as needed. Wipe up with a clean dry towel, sponge or mop. For optimum results, rinse area well with clean water Reseal cleaned area. Size and Coverage: Gallon Concentrate 2,000-10,000 sq. ft.