Quote Originally Posted by grobro
what do you think the max co2 ambient level 'could be 'just with a door/window open /closed ......without a co2 add.....non sealed room....
plenty of flow.....w/exhaust fan suckin it thru....?
w/circ fan also.......
basement w/grow room within it....good clean fresh mountain air......guess i really need some type of metering $........to really know eggs ackley
if you have a basement with unsealed room thats IDEAL, just set up the co2 outside the grow space and transfer air. dont listen to these guys on here! get the monitor first so you know exactly whats going on.