Zep 32 fl. oz. Grout Cleaner and Brightener (Pack of 2)

Deep cleaning grout is a tough job, even for Pros. Grout Cleaner and Brightener contains strong but safe acids that act as a stain remover for grout lines. This professional strength formula quickly restores stained grout lines on tile floors without the need for heavy scrubbing. The formula is not abrasive to tile surfaces.