Co2

will adding co2 to my 2.5x2.5x3 box affect yield on my one plant enough to do it?

i just started flowering 3 days ago

i wouldnt think that co2 this late into the grow would matter that much but dont quote me on that. i'd wait until the next grow for the co2 and compare results

any time you add CO2 is a good thing and its never too late

yea really 3 days into flower? thats nots exactly late into the process... maybe even early depending on how long you vegged. I just added mine in week 6 of flower, I know its late but the point is -ITS BETTER THEN NOTHING... go for it