This powerful formula kills staph, pseudomonas, E. coli, HIV-1 (AIDS virus) and other harmful germs on hard, nonporous surfaces when used as directed. The thick acid formula coats, cleans, disinfects and deodorizes the entire bowl by dissolving stubborn stains on contact. The angle-neck bottle targets hard-to-reach areas. Formula will not harm plumbing or septic systems. Use in toilet bowls, bidets, urinals, porcelain and vitreous china.