Zep Acidic Toilet Bowl Cleaner quickly dissolves rust, limescale, and hard water stains, leaving toilets and urinals looking brand new with minimal scrubbing. Its powerful acidic gel formula clings to surfaces for maximum cleaning power, tackling even the toughest buildup in as little as 5 minutes. The angled neck bottle allows for easy, precise application and its fresh winter green scent helps neutralize harsh odors.