Which disinfectant was most effective against e coli?

Research has shown that bleach, particularly sodium hypochlorite, is one of the most effective disinfectants against E. coli. Other effective disinfectants include hydrogen peroxide and quaternary ammonium compounds, although their efficacy can vary based on concentration and contact time. It's essential to follow manufacturer guidelines for proper use to ensure maximum effectiveness against pathogens like E. coli.