ThereIsHope
Member
DIGITALHIPPY said:
You can call all the bullshit you want but the fact remains, 25% increase if you know what you are doing.
Several studies under exact controlled conditions have produced similar results if not better.
When I added CO2 to my arsenal after dialing in all other considerations, the increase was dramatic. Not a little bit but dramatic.
I suspect you do not have your grow dialed in or just do not want to accept what others have already proven ad nauseum.