Quote Originally Posted by DurbanStone
Should I get a charcoal fliter or an ozone one? Because the smell when I harvest as well....
Activate Carbon (Charcoal) is safer since you can create too much ozone for both plants and humans as well...

You'll want to overbuild this and be prepared to spend $$$ on proper ventilation - inline fax (6" Vortex 449 CFM 10 yr warranty is what I use) - it will be worth every penny, believe me.