I think people are really spazzing out about the whole uv filtering thing. I completely agree about the facts and what ozone does in high levels and I agree that it's silly when misinformed people go out buying ozone generators for a small op. However I bought a Uvonair 5000 unit which is specifically made for the hydro enthusiast. It says very clearly that you should use a timer with the unit. I use it in an upstairs spare bedroom and turn it on for 5 minutes an hour. No smell, no burn, lots of CO2.
SO my point is, it's good to guide people to research this topic and point them towards the right product, but I don't think the other extreme of saying "OMG OMG ozone will kill you and everything in your house, it'll cause cancer, your eyes will bleed out your skull and you'll burn your grow" is logical. It goes along with anti marijuana ppl who display similar misguided logic and claim that one can go crazy from 1 joint.