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
I've got a co2 meter, and it wasn't cheap. Very accurate. I've never seen it go past 700 in a normal sized room, with 4 people in it.
sum1cull911 Reviewed by sum1cull911 on . Need Co2 advice Just picked up a tank of Co2 and a regulater and need to know when and how it will work best...setting etc. want to try to do it right the first time for sure.. lites run about 18 hours a day in this room. We strung some 3/16 hose into the T5 room and drilled holes about 2 inches apart under the T5..when would be the best time to run Co2 in this room ? also do we need to turn the fans and can fan off when we turn the Co2 on..? Main grow room under the 1000 sodium lite we where Rating: 5