_mahavishnu
Well-Known Member
Hey fellow growers
I have an indoor grow slowly getting up to speed right now. It’s in a shed on my property, and one of my biggest concerns is that the shed itself doesn’t have any ventilation. It has four windows, one of which has an AC unit in it at the moment. The AC unit does not have an option for fresh air intake or exchange.
For now, I’m keeping another window cracked (with bug screen installed, but we know that’s not enough filtration to stop all pests or spores) and the plants in there are only a few weeks old, so I’m not stressing it now, but when these plants are big and mid-flower, do I run the risk of the co2 concentration falling too low without some kind of fresh air intake? I’ve been trying to google and find threads discussing this but haven’t found anything at all along these lines, just talk of co2 systems, and I don’t have the experience to judge it myself. Assuming that window weren’t cracked, random air leakage around the structure or AC unit definitely wouldn’t be enough to replenish the co2 that the plants respire, right?
I’ve been thinking of adding an active filtered intake using one of those window AC unit exhaust vents attached to a typical 6in fan and ducting, with the cracked window becoming a passive exhaust. Mostly I’m trying to determine if that setup is actually necessary to keep my plants photosynthesizing. If you all agree that I definitely need fresh air intake, is that a good setup, or is there a better way for me to accomplish this?
Obligatory pics while I’m at it:
Seedsman Super Silver Haze OG
Seedsman White Widow
Dinafem Critical Plus 2.0
I have an indoor grow slowly getting up to speed right now. It’s in a shed on my property, and one of my biggest concerns is that the shed itself doesn’t have any ventilation. It has four windows, one of which has an AC unit in it at the moment. The AC unit does not have an option for fresh air intake or exchange.
For now, I’m keeping another window cracked (with bug screen installed, but we know that’s not enough filtration to stop all pests or spores) and the plants in there are only a few weeks old, so I’m not stressing it now, but when these plants are big and mid-flower, do I run the risk of the co2 concentration falling too low without some kind of fresh air intake? I’ve been trying to google and find threads discussing this but haven’t found anything at all along these lines, just talk of co2 systems, and I don’t have the experience to judge it myself. Assuming that window weren’t cracked, random air leakage around the structure or AC unit definitely wouldn’t be enough to replenish the co2 that the plants respire, right?
I’ve been thinking of adding an active filtered intake using one of those window AC unit exhaust vents attached to a typical 6in fan and ducting, with the cracked window becoming a passive exhaust. Mostly I’m trying to determine if that setup is actually necessary to keep my plants photosynthesizing. If you all agree that I definitely need fresh air intake, is that a good setup, or is there a better way for me to accomplish this?
Obligatory pics while I’m at it:
Seedsman Super Silver Haze OG
Seedsman White Widow
Dinafem Critical Plus 2.0
