If you can vent in an attic you can use an inline ozone generator on the exhaust....works great no smell at all you need a space to let it mix and work in though
Cyclonite Reviewed by Cyclonite on . Question about smell Currently I have 4 plants that are about 4 weeks old. They are roughly 8-10 inches tall and already smell like crazy. I am guessing that at least two will be male, which would leave me with two. If lucky I guess, they could all be male, but I am assuming I will not end up with 4 in the end. Anyway, I am using the DIY Febreeze/Fan/Bucket thing as well as plug ins and they do not help much. You can definitely still smell the plants. Other than a carbon filter which I can't install (also Rating: 5