Tersano Australia are suppliers of safe , proven , powerful , environmental and cost effective chemical free cleaning systems . Clean, deodorise and sanitise without costly chemicals using the Tersano Lotus Pro chemical-free cleaning system. Tersano Lotus Pro turns ordinary tap water into Aqueous Ozone – natures most versatile super-cleaner. It kills germs while powering out dirt, grime, stains and odours. Once the job is done it turns back to water and oxygen. Naturally.