This product is formulated to remove uric salts, hard water residue, rust stains, soap scum, calcium and other mineral deposits. It controls the odors and is safe on urinal and toilet bowl porcelain. Our Uratic Salts Remover is a highly effective, yet safe odorless product that removes calcium deposits formed in urinals from uric salts. It contains 23% hydrochloric acid. It will remove the salt build up in your pipes, thus keeping pipes open and controlling odors. This special blend of acids may be used to remove water scale build up in urinals, toilet bowls and tile surfaces. Odorless and safe on all plumbing. For best results use this product on a preventative maintenance program.