(1) Gently dust off the surface. (2) Carefully wipe off the dirt or stains on the surface with clean damp cloth. (3) Apply a small amount of calcium carbonate powder and gently wipe off with dry soft cloth. (4) If the Titanium coated surface comes in contact with cement or any sort of cleaning chemical detergent, please apply a large quantity of clean water and carefully dry off the surface with soft cloth to prevent the possibility of the titanium coated surface from color changing or other peeling defects.