You can also use the CO2 cartridges made for BB guns. They can make it a little easier to control the flowrate .
Nosehit Reviewed by Nosehit on . FLOWERING = CO2 amounts???? i just have a very basic question. when i put the plant into the flowering cycle, does it need more CO2 during the 12hour 'lights on' than if it was in the vegetative state? thanks for any responses. take care Rating: 5