Liquid Sandblast Tile Cleaner is designed for the safe and effective removal of mortar smears from masonry surfaces and surrounding materials on new construction as well as hard water scale build up. It removes ground in atmospheric dirt from all masonry substrate, including brick, stone, synthetic stone, precast, architectural and colored block, concrete materials and patios. Liquid Sandblast Tile Cleaner deep cleans the surface, protecting it against re-growth for months at a time.