Kills 99.9% of germs (Kills Germs: Staphylococcus Aureus (Staph), Salmonella enterica (salmonella), influenza A2 virus, rotavirus, candida albicans). Kills COVID-19 virus (Kills SARS-CoV-2 on hard, nonporous surfaces). Coats the bowl to dissolve stains. Destroys tough stains. Contains no phosphorus. 5x Cleaning Power: Cleans; Deodorizes; Whitens; Destroy stains; Clings 50% longer (vs. Clorox Toilet Bowl Cleaner Bleach).