Thickened formula with 9.25% hydrochloric acid clings to vertical surfaces for a more thorough clean. Quickly removes build-up of rust, lime and uric acid in toilet bowls. Disinfects bacteria and viruses after one minute of contact. Easy to use, just apply and scrub. Application: Toilet Bowls; Urinals; Applicable Material: Ceramic Tile; Chemical Compound: Hydrochloric acid; Dirt Types: Rust; Soil Buildup; Stains; Uric Acid; Water Deposits.