Yes Co2 in my room is to compensate for not having ventilation. My plants probably wouldnt do have as good with out the sealed room.

Quote Originally Posted by futuregrower
Is your Co2 meant to compensate for not having ventilation, or is it an improvement. I mean to say, are ur plants better off sealed than circulated with outside air?
Tranoble Reviewed by Tranoble on . "THE SEALED ROOM" 3lbs A LIGHT THE SEALED ROOM Listen im not very good at writing this stuff down. You can post reply's with any specific questions and I will answer them best I can. My pictures of my room are 1 week from cutting down. Based On A 4 Light Room. Pictures are of a 8 Light Room. I start by sealing my room as best I can. From there I start by building a 8ft by 8ft box with 2x6. Then I screw 2 sheets of OSB 4x8 sheets to the bottom (sort of like a water bed box). I line the inside with polly making Rating: 5