• Do not use on marble and limestone surfaces, including travertine.
• For more stubborn stains, reapply and scrub with a soft bristle brush as necessary.
• For light to moderate grout stains, allow the cleaner to sit for a couple minutes and very little scrubbing will be required. For deeper, darker or older stains allow the cleaner to soak longer and expect to do a good bit of scrubbing.
• Breaks down the toughest grout stains caused by mold, mildew, soap scum and hard water
• Dirt buildup, mold stains, mildew stains, soap scum and hard water stains