Bol Maid Toilet And Urinal Cleaner Is Made With 9 Percent Hydrochloric Acid And Detergents To Quickly Remove Rust, Scale, Stains, Hard Water Mineral Deposits And Urine Salts. It Is Pleasantly Scented With A Mint Fragrance. Ready-To-Use Cleaner Is Inhibited To Protect Plumbing And Fixtures.