ZEP Commercial 32 oz. Grout Cleaner and Whitener is formulated for use only on floor grout lines. It cleans and whitens grout and removes light rust stains off concrete with little or no scrubbing. It is not recommended for marble, stone, metal, or Corian.
- Use only for cleaning and whitening floor grout lines
- Bleach-free professional-strength formula cleans with little or no scrubbing
- Sassafras scent
- Not recommended for marble, stone, or corian