It seams It would make more sence to us indoor air from your house. the air in your house should have more co2 and less o2 becouse of the people living there and cooking exc exc....
There must be something else in fresh air besides c02 thats benificial to plant's. In an indoor situation we...
I belive it depends as much if not move on the light strenght than the strain. Giving yourself 2x the curent plant hight is a good place to start for an unfamiliar strain.
I do 10hrs for the last two week. Prob depends on the strain but if you keep it at 12 and the buds are close to the lights you can get some reveg and wrek the buds in some cases.
I realy want to try a few days of complet darkness befor the chop.
I do a screen of green set up were I trim the bottom part of the plant, leaf canopy in the middle and buds minus the fan leafs on top. This work very well if you have a small light like a 250w were the light gives less penetration.
If you have a larger light like a 400 or biger were you have...
Your roomate is not as "risky" as you think. I now the type, they seem to take unncessary risk but they never go down alone. this guy will gladly rat you out and anyone else that he know's of to save his own ***. Also be weary of new freind's that move in from out of town and don't seam to...
like I said people that haven't experienced it may find it hard to belive. 7 hours later your wondering when the hell is this stuff going to were off so I can go home. LOL