Cerrazo cleaner Ultra is a special product for cleaning ceramic, marble & surfaces whose shine has been dulled by scum/soiling over a long period of time or continued use of hard water. When properly applied Cerrazo cleaner (ultra) will help restore the surface to the original shine. Cerrazo cleaner Ultra could be used on all ceramic tiled surfaces in homes, hospitals & public places. Cerrazo cleaner (ultra) would easily remove tough stains on urinals, bathrooms, sinks, toilet bowls which have proved difficult to clean with Cerrazo Regular.