STONETECH Professional Restore Tile Cleaner Restore is a heavy duty acidic cleaner by StoneTech that renews the look of tile and grout. Features & Benefits Removes hard water deposits, grout haze, efflorescence, and soap scum Professional strength Acidic water-based formula Concentrate formulas Where to Use Ceramic tile, porcelain tile & grout. Masonry & concrete. Product Information Product #: D1XXXXXXX Packaging Sizes: Quart, Gallon, 5 Gallon, 55 GallonPart of System: StoneTech® 24 oz. Spray Quart Concentrate: 500-2,500 sq. ft. Gallon Concentrate: 2,000-8,000 sq. ft. 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. Heavy duty mixture may darken some surfaces. This acid-based cleaner will etch most marble, limestone and travertine surfaces. Will etch or corrode most metal surfaces. 1. Mask off and protect any metals, baseboards or adjacent areas to avoid splashing, dripping, and overspray onto surfaces not intended to be cleaned. 2. Spray directly onto soiled areas. 3. Agitate with a scrub brush as needed. 4. Remove using a clean wet towel or sponge. 5. Rinse area well with clean water and wipe dry. Thoroughly rinse all metal surfaces with clean water. 6. Clean and rinse towel/brush with water. 7. Reseal cleaned area. **Please note that Air shipping will not be available with this item.