Ozone is a strong oxidizer that is generally not harmful to humans and mammals at the recommended exposure limit, but homicidal to microorganisms such as bacteria, and viruses. However, ozone, like any other strong oxidizing agent, can be harmful if not handled properly. You must respect the oxidative powers of ozone and treat it accordingly. We thoroughly tested and selected the necessary power of the ozone generator so that it completely dissolves in the water. Nevertheless, some ozone will be released into the environment. Therefore, it is important to use WONDERTOOL together with the ventilation included and don