Zep Grout Cleaner Is An Acidic Formula That Requires Little Scrubbing. Cleans And Whitens Grout. For Use On Floors Only. Not For Use On Vertical Surfaces Or Countertops Where Run-Off May Cause Damage. Not For Use On Marble, Terrazzo, Travertine Or Any Natural Stone, Chrome, Stainless Steel, Or Brass. • Cleans And Whitens Grout • For Use On Floors Only • Requires Little Scrubbing
