Zep 32-fl oz Mint Toilet Bowl Cleaner

Works Fast: Quickly removes rust, dissolves organic stains, and eliminates hard water residue

Easy to Apply: Angled neck makes under-the-rim application easy, while thick gel formula clings to vertical surfaces

Powerful Formula: Strong 10 percent acid gel formula

For use on: Toilet bowls and urinals, safe for septic tanks, drain lines, and water treatment systems

Not for use on: sinks, bathtubs, countertops, floors or any enameled surfaces