also used on some "kegerator" systems...remember its ok to have enough beer on tap to kill yourself but dont grow anything...j/k lol

db:smokin:
SnSstealth Reviewed by SnSstealth on . co2 purchase It's been a while but I can finally get back to growing. This go round I would like to add co2 to my grow room. Where can I go to purchase or rent a co2 tank without some type of license with no questions asked. Rating: 5