Kills 99.9% of germs (Kills gems: Staphylococcus aureus (staph), Salmonella enterica (Salmonella), Influenza A2 virus, Rotavirus, Candide Albicans). Kills covid-19 virus (Kills SARS-CoV-2 on hand, nonporous surfaces). Coats the bowl to dissolve stains. Destroys tough stains. Contains no phosphorus. The only toilet bowl cleaner with Clorox bleach. Clings and rinses away for a sparkling clean.