Quote Originally Posted by mspofford032579
I know this sounds strange, but I read somewhere (I think on cannabis.com even) of someone with a grow about the same size as you're describing in his garage... Instead of buying a Co2 machine, this person simply kept a couple of cages of pet rabbits in there, using the rabbits breath as the Co2 source... They're pretty easy to care for, and it might be cheaper in the end... Just a weird thougt for you...

-Mark (not really Mark...)
and you can feed them the leaves!