i have a 4x4 tent setup, and have been reading about co2 bags. all the reviews are from people that are sponsors, are want one, if any here have any thoughts let me know.i do use sardines ...i use 3 gallon pots, 4inches of soil, and 1/2 can of sardines, fill with dirt, and plant...have never had any problems growing. i do use fox farm ocean and fox farm trio nutrients...just curious if co2 would be worth getting. thanks.
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