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Originally Posted by sexydankcpl420  umm dangermouse sorry to sound harsh to you but what the hell are you talking about putting a fan outside, fans do not produce co2.Even indoors i make sure fans are all off before administerating doses of co2 exhaust fans will just suck the co2 right out. |
umm "sexydankcpl420" using intake and exhaust fans, in a grow room, provides constant co2 - obviously. Its called airflow. You make sure all the air in the room is replaced every few minutes - which provides fresh co2 for the plants.
Jeez....bitchy...