I’ve been growing for about 7 years mostly in tents. I’ve decided to try Co2 for the first time, started with mushroom bags and a Co2 meter but couldn’t get a reading above 500ppm unless the meter was right on top of the vent hole, tried a mushroom bucket with same results and figured the meter was defective but when I breathe on it it went all the way to 2000ppm so I gave up on the mushrooms and purchased a Co2 generator, regulator, additional meter and built a small sealed grow room. Ran the propane for several hours but never got a reading over 550ppm even with the meter right under the generator. The flame is blue, the room is 4x4x9, the generator is a 2 burner unit. WTF am I doing wrong?
Co2 dilemma
- Thread starter Mrlexxxus
- Start date
ProPheT 216
Well-Known Member
Your not sealed. Your probably expelling out the window with an ac unit
No AC unit, caulk and gorilla tape all corners, light hood vented From outside both ends, no air transfer
MidnightSun72
Well-Known Member
So how exactly are you cooling a 4x4 tent with a CO2 generator in it? That's a lot of BTUs to handle in such a small space. If you are venting to cool it then you are leaking.
If you haven't opened up a window air conditioner and sealed the joints in side then you'll be leaking air that way too. But you would need a major leak to negate the effects of a burner in such a tiny space. . This would indicate to me something is wrong woth your meter.
Just you inside the tent should raise the CO2 significantly in the span of a half hour. My room has a volume of 1870 cubic feet and rocket my levels in there in half hour or so. A 4x4 would have around 128 cubic feet in there (4x4x
. You should see massive rises in CO2 with the burner. Have you considered bottled CO2? Less heat. And would last forever in a 4x4.
I'd try to borrow or rent or buy another meter to confirm that one is failed. It could potentially be dangers to have a meter reporting the wrong PPM and running based on that.
If you haven't opened up a window air conditioner and sealed the joints in side then you'll be leaking air that way too. But you would need a major leak to negate the effects of a burner in such a tiny space. . This would indicate to me something is wrong woth your meter.
Just you inside the tent should raise the CO2 significantly in the span of a half hour. My room has a volume of 1870 cubic feet and rocket my levels in there in half hour or so. A 4x4 would have around 128 cubic feet in there (4x4x
. You should see massive rises in CO2 with the burner. Have you considered bottled CO2? Less heat. And would last forever in a 4x4.I'd try to borrow or rent or buy another meter to confirm that one is failed. It could potentially be dangers to have a meter reporting the wrong PPM and running based on that.
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ProPheT 216
Well-Known Member
@MidnightSun72 he stated the meter jumps to 2000s when hes exhaling. So faulty or not im confused why the numbers won't move too...
Was planning on cooling with a portable AC but haven’t got to that yet since the Co2 testing failed. I have two different meters plus the one included with the controller, my seals aren’t 100% but it should be good enough to see levels rise before it dissipates. I’m completely baffledSo how exactly are you cooling a 4x4 tent with a CO2 generator in it? That's a lot of BTUs to handle in such a small space. If you are venting to cool it then you are leaking.
If you haven't opened up a window air conditioner and sealed the joints in side then you'll be leaking air that way too. But you would need a major leak to negate the effects of a burner in such a tiny space. . This would indicate to me something is wrong woth your meter.
Just you inside the tent should raise the CO2 significantly in the span of a half hour. My room has a volume of 1870 cubic feet and rocket my levels in there in half hour or so. A 4x4 would have around 128 cubic feet in there (4x4x
I'd try to borrow or rent or buy another meter to confirm that one is failed. It could potentially be dangers to have a meter reporting the wrong PPM and running based on that.
MidnightSun72
Well-Known Member
are you sure the burner is turning on on not just running the pilot?
DoubleAtotheRON
Well-Known Member
Your meter may need calibrating. If you place it in a bag, suck all the air out of it, then blow a lungful in there and hold it tight. Should read closer to 25,000. We exhale CO2 at 30-50,000 ppm as humans.... of course, your meter may not read that high.
Snickerpus
Active Member
The meter is chineese toy
Snickerpus
Active Member
No he has mirror in there. Cute
the known grower
Active Member
oh here's snickerdoodle ( ͡° ͜ʖ ͡°) wasn't that an old commercial furnace? haven't seen 1 in yrs. 30 yrs or better