Quickly removes rust stains, scale and residue from toilet bowls and urinals with professional results. Its clinging gel works harder on vertical surfaces, leaving a clean shine and a pleasant, fresh fragrance. It is also safe for septic tanks, drain lines, and water-treatment systems. Application: Toilet Bowls Urinals Chemical Compound: Amines Tallow Alkyl Ethoxylated, Dodecyldimethylamine Oxide Dirt Types: Rust Scale Stains Scent: Mint.