Zep Acidic Toilet Bowl Cleaner 4-Pack 128-oz Acidic Toilet Bowl Cleaner | R43710CPPros know that acids are required to dissolve soils, hard water buildup, and rust in toilets. This professional grade acidic formula clings longer to remove stains with less scrubbing, leaving a fresh winter green fragrance.Works Fast: Quickly removes rust, dissolves organic stains, and eliminates hard water residueEasy to Apply: Thick gel formula clings to vertical surfacesPowerful Formula: Strong 10 percent acid gel formulaFor use on: Toilet bowls and urinals ,safe for septic tanks, drain lines, and water treatment systemsNot for use on: Sinks, bathtubs, countertops, floors, or any enameled surfacesGeneralSeries NameAcidic Toilet Bowl CleanerFeaturesAntibacterialNoOperation TypeManualApplication MethodPour bottlePackage Quantity4DeodorizingNoScentAcidicFor Use in BathroomsYesUnit of MeasureOunce(s)FormGelUnit of Measure Quantity128Kills VirusesNo