On Sunday, January 26, 2020 at 4:34:49 PM UTC-5, wrote:


He makes the mistake of opening the window: let the ozone do its job.

Sufficient atmospheric ozone to kill bacteria by exposure will pretty much destroy any rubber materials, attack many plastics, harm many plants and much worse.

https://www.epa.gov/indoor-air-quali...d-air-cleaners

Further to this, so-called "air cleaners" based on ozone are very similar to bug-zappers. They do not work, they can (and often do) cause harm and are generally worthless.

Peter Wieck
Melrose Park, PA