Zep Grout cleaner and Brightener 12 -Pack 32-oz | ZU104632CPDeep cleaning grout is a tough job, even for pros, but strong acids can lift deep stains. This professional strength acidic formula quickly restores stained grout lines on tile floors without the need for heavy scrubbing.EXCEPTIONAL GROUT SCRUB: Deep cleans grout lines and lifts stainsVERSATILE GROUT CLEANER: Safe for use on most floors with grout lines, including on floors with colored groutPRO STRENGTH ACIDIC FORMULA: Bleach-free professional-strength formula cleans with little or no scrubbingFor Use On: White or colored grout lines on tile floorsNot For Use on: marble, terrazzo, travertine, natural stone, chrome, stainless steel, brass, or Corian.These sensitive surfaces are susceptible to damageGeneralSafe for Use on Colored GroutYesSeries NameGrout cleaner and BrightenerDimensionsSize32-ozFeaturesApplication MethodPour bottleKills MoldNoContains BleachNoPackage Quantity12Eco-FriendlyNoSafe for Use on Natural StoneNoFor Use in BathroomsYesSafe For Use On PorcelainNoFor Use in KitchensYesShower CleanerNoFor Use on FloorsYesTile CleanerYesFormLiquidWiping RequiredYes