Are you going to have an active circulation system that will circulate all the air in your room at least once every 2 mins?

If so, then additional CO2 is unneccessary

SMG
SauceeMcGee Reviewed by SauceeMcGee on . co2 i was thinking about picking up a 20lbs tank and a C.A.P REG1 regulator but i dont really know how to use co2 my room size is 15ftL 9ftW 8ftT any advice ya thanx in advance Rating: 5