willienelson1stgrow
Well-Known Member
Forcing a plant to inhale the carcinogens of its cousins. ....... does the increase in CO2 make a difference .
Or are propane and time release methods the only kind of viable CO2 absorbsion ?
Will added CO2 in my tent really make a difference?
Or are propane and time release methods the only kind of viable CO2 absorbsion ?
Will added CO2 in my tent really make a difference?