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Now have mushroom pack that makes CO2 so gueston i...
Mr_Weeds_Autosanswered grow question 4 years ago
the best place is to put them is low in the tent, Co2 is heavier than air and will come out of the bag and fall to the ground and your exhaust fan should be at the top of your tent, so it will suck the Co2 up through your plants which is what you want.
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