StoneTech KlenzAll Alkaline Natural Stone Cleaner Features Powers through stubborn grease and soils Safe on stone, will not etch Professional strength, alkaline formula Where to Use Natural stone such as marble, granite, limestone, travertine, slate & sandstone. Ceramic and porcelain tile and grout. Masonry and concrete Directions for Use Avoid skin and eye contact with the product Wear protective eyewear, gloves, long sleeves, and long pants while handling concentrate Ensure the work area is well-ventilated during application and until the surface is dry Apply with a mop, towel, sponge or sprayer Avoid applying cleaner on unintended surfaces Lightly rub with a scrub brush or floor machine as needed Remove the solution using a sponge, wet/dry vacuum, or damp mop Rinse the area well with clean water Reseal cleaned area with a StoneTech Professional sealer To protect your stone's natural beauty, seal your stone with BulletProof Sealer or Heavy Duty Sealer Available Sizes and Coverage Quart Concentrate: 500-4,000 sq ft Gallon Concentrate: 2,000-10,000 sq ft 5 Gallon Concentrate: 10,000-50,000 sq ft