https://www.changiairport.com/corporate/media-centre/newsroom/COVID-19-measures.html
………Cleaning with ozone-infused water
Changi Airport is using, for the first time, ozone-infused water to disinfect toilet floors, toilet bowls and urinals in high-usage toilets. Ozone-infused water is a strong cleaner and disinfectant. Compared to chlorine, the most common liquid disinfectant chemical, ozone is a much stronger and faster disinfectant in destroying viruses and bacteria. …………
