... is safe to the Environment Frequently Asked Questions:Q. How can I wash with cold, ozonated water and still sterilize my laundry ... Pool?Ozone is 2000 times more effective than chlorine in disinfection.Ozone in water kills bacteria, molds, fungus, spores and viruses. ... Iron), Cadmium, Chromium, Cobalt, Copper, Lead, Manganese, Nickel, Zinc- can be treated in a similar way. At Ozone levels above 4 ppm ...