Dissolves and removes uric acid, a source of bothersome restroom odors and hard water scale buildup in urinals and toilets. Monthly application will remove scale, rust, and other debris from traps and under the flush rim. Urinakleen® will keep urinals flowing freely and eliminate uric acid salt buildup and odors. Urinakleen® contains the acid inhibitor RD-188 for added surface protection. Special RD-188 inhibitor helps protect metal pipes and plumbing from corrosion by allowing Urinakleen’s® solution to work for a longer period of time without damaging them.