Re: You're not supposed to let the smoke out...
Well, it could be odorless but I know ozone is irritating to the respiratory system....maybe it is the irritation that we "smell".
Changing the subject a bit... I know that I can smell different metals... I also know this is hard to justify scientifically... Copper has a smell as does indium, magnesium and Iron... has anyone noticed this as well? Or am I just loony?:)