Why is this never used or talked about?

Flowki

Well-Known Member
If plants give off co2 at night why do people with multiple flower or veg rooms not take advantage of it?.

For example if you had 2 flower rooms would it not be more optimal to have them on opposite night/day cycles so that when one is on night time it is feeding the co2 air into the day room. Is it because reverse venting is the issue or is the o2 released not worth it?.

Maybe those who vent a veg room into a flower room vice versa before scrubing and sending outside may have a better logistic setup for it?.
 

OldMedUser

Well-Known Member
Interesting idea. One would have to know the amount of CO2 sleeping plants release to know if it was an idea worth pursuing. I've wanted to do something like that just to keep the sleeping plants warm to save electricity by not having to use a heater.

I'd like to rig something up to collect all the water that is wasted in the exhaust stream to cut back on trips to the store for more jugs of RO. Have a few ideas that should work but my room is in an awkward place to run exhaust pipes up and out so it goes out under my shop at ground level.

Thoughts for another day. :)

:peace:
 

Flowki

Well-Known Member
Interesting idea. One would have to know the amount of CO2 sleeping plants release to know if it was an idea worth pursuing. I've wanted to do something like that just to keep the sleeping plants warm to save electricity by not having to use a heater.

I'd like to rig something up to collect all the water that is wasted in the exhaust stream to cut back on trips to the store for more jugs of RO. Have a few ideas that should work but my room is in an awkward place to run exhaust pipes up and out so it goes out under my shop at ground level.

Thoughts for another day. :)

:peace:
Doing just a little reading on the co2 topic does not provide much info on how much is produced. Does not appear to be a significant huge amount but maybe enough to make a difference. One angle that may help is that the night cycle room would be producing and pushing less oxygen into the day cycle room, add to it a possible slight increase in co2 production and maybe the plants in the day room have an easier time taking in co2. Or ofc, maybe the fresh air being pulled in from out side is so saturated and constantly renewed with both co2 and o2 that the plants never produce enough to increase either to begin with. On the other hand, if for what ever reason your intake air is not that high in co2 perhaps it is of help. But perhaps it is of more help due to the first room not competing/using more of the intake co2 if they are both vent connected and on the same light schedule. In other words the last room in the chain is not being starved.
 
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chemphlegm

Well-Known Member
my flower room is ventilated to/from my vegging room 24/7 and both are sealed/controlled
i thought about that c02, once, for five minutes, meh, aint no thing.
 

OldMedUser

Well-Known Member
Like chemphlegm says above it isn't likely enough to really matter and not something I'd set up to try. If a guy had a CO2 controller or meter then you could check to see how much might be produced by sleeping plants and then decide if it's worth it to set up fans and switches to cycle the air back and forth. All my air is drawn from the greater basement area them exhausted outside so the plants are getting enough fresh air to replenish the CO2 regularly.

Still something to wonder about but not lose sleep over. :)

:peace:
 

The_Enthusiast

Active Member
As far as I know, plants breathe O2 (like humans) from leaves and roots.
But during day (with help of light) they produce O2 as byproduct of photosynthesis (CO2 + water).
And still, they breathe...

The bottom line is, They "produce" much more O2 than they use it...
 

ruwtz

Well-Known Member
My sealed flower room 9x12 + 10ft ceilings at max capacity spikes that CO2 night time reading HARD, like 500-1000ppm at any given point.

That level can remain high right through to lights-on, which means I burn through less tank. With that in mind, its a good thing I reckon.
 
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