Cleans as it disinfects by killing 99.9% of viruses and bacteria when used as directed. The thick 9.5% hydrochloric acid formula packaged in an angle-neck bottle brightens and cleans above and below the waterline and will not harm plumbing or septic systems. Use on toilets or urinals. 24oz bottle. FOR QUANTITY BREAK MUST BE FULL CASE OF SAME PRODUCT. CANNOT MIX AND MATCH.