Yes, a few have made these including myself. I use a smaller bucket with a computer fan. ONA is pretty strong so it takes some "mixing" to get just right, but hell yea this works like you would not believe.
It does not really remove the smell like scrubber, it neutralizes it by bonding with the "smell". It does not mask the smell like those plug-ins.
growbe Reviewed by growbe on . Interesting odor control method. Anyone ever tried this to manage the smell before? odor removing machine - Marijuana Growing it looks like it could work and it interests me, as i wont have to put it on to to the ventilatin of my grow box. Rating: 5