ok here we go.....
"You're making an (incorrect) assumption that what I produce now is not successful - it is, and I have no intention of changing it. I fully intend on growing the same way I've always grown and that does not involve co2 enhancement." babygro
ok well I said MORE SUCCESS if you possibly step outside the box, which in other terms would be........ POSSIBLY if you used co2, you MAY see better results that your last. ok? good.
"Firstly, I'd never use a 1000w HPS, nor would I ever grow in a room without proper ventilation, so I don't really see the situation as ever arising so the answer would be a firm - no."
well I would never grow with cfl's so thats a firm - little buds.