Attributes . This toilet bowl cleaner brightens, cleans, and disinfects, killing 99.9% of viruses and bacteria when used as directed. The thick 9.5% hydrochloric acid formula clings to the bowl and cleans above and below the waterline. It will not harm plumbing or septic systems. This cleaner comes in an angle-neck bottle to clean hard to reach areas, including under the rim. 9 bottles per carton. . Names