5x5 tent sealed using co2 and using dual hose ac. How can I control odor??

Ranger69

New Member
So this is my first grow and my question is I have a carbon filter in my tent and it’s setup with an ac infinity inline fan to exhaust when my humidity or temp gets to high. The issue I’m having is when the ac is on I have a little negative pressure in my tent. I know it’s not perfectly sealed and I’m ok with loosing a little co2 but that’s not what I’m worried about. What I want to know is how can/should I setup my carbon filter. My tent is in my laundry room and it has a door and the smell stops there. I want to have that room smell free if possible I just don’t know what’s the best way to do it. So I’m open to any tips. Thanks everyone
 

juxt

Active Member
Yeah, maybe you're over thinking it? Have the output fan blow out of the tent into the carbon filter (people who want the outside of the filter to look pretty do this way) or put the filter in the tent and have the fan suck through it to blow out.
 

Boatguy

Well-Known Member
So this is my first grow and my question is I have a carbon filter in my tent and it’s setup with an ac infinity inline fan to exhaust when my humidity or temp gets to high. The issue I’m having is when the ac is on I have a little negative pressure in my tent. I know it’s not perfectly sealed and I’m ok with loosing a little co2 but that’s not what I’m worried about. What I want to know is how can/should I setup my carbon filter. My tent is in my laundry room and it has a door and the smell stops there. I want to have that room smell free if possible I just don’t know what’s the best way to do it. So I’m open to any tips. Thanks everyone
Dont really think smell free is possible if exhausting into a room. Maybe if you are running two filters, one recycling back into the tent 24/7 and another exhausting for temp control.
I am cheap, so i added a second dryer vent. A single carbon filter is effective enough for that. Exhausting into the room, the smell that got by the filter eventually caused a stink.
 

Boatguy

Well-Known Member
So this is my first grow and my question is I have a carbon filter in my tent and it’s setup with an ac infinity inline fan to exhaust when my humidity or temp gets to high. The issue I’m having is when the ac is on I have a little negative pressure in my tent. I know it’s not perfectly sealed and I’m ok with loosing a little co2 but that’s not what I’m worried about. What I want to know is how can/should I setup my carbon filter. My tent is in my laundry room and it has a door and the smell stops there. I want to have that room smell free if possible I just don’t know what’s the best way to do it. So I’m open to any tips. Thanks everyone
It isnt a sealed tent if you are exhausting anyhow. Kind of makes co2 pointless
 

Mikenike

Well-Known Member
I would use two carbon filters. One scrubbing the air in the tent and one scrubbing the air in your laundry room
 

Nizza

Well-Known Member
I would add a second scrubber.
The first one set up as you have it, the second one just looped in your tent circulating air constantly
 

juxt

Active Member
If you're going to do two, why not just put one in the tent on intake side then one outside the tent on output side...one higher rated fan will push both?

If you want to go hard get a negative ion generator right? Ozone machine.
 

Mikenike

Well-Known Member
Eh I wouldn’t mess with ozone. But he doesn’t have intake/exhaust because he runs a closed “sealed” system. He only has negative pressure when his AC kicks on which is what leaks the smell
 

juxt

Active Member
So you would add a fan and filter to recirculate the tent air, and a fan And filter to recirculate the room? I dunno, with my setup i can vent when needed and not worry too much about CO2 cost, and haven't had an appreciable dip even with 1 output can. But there's little i have to do to maintain environment maybe due to climate and it probably doesn't apply here.

the stink is another thing and yeah ozone is heavy but a little ion genny would handle a small room and not require any tent or fan or anything changes to the setup. Not the $500 Dyson one but a cheapo $100 one.
 

Mikenike

Well-Known Member
Me personally, I run a closed system with co2 as well and all I have is an 8” fan/filter inside the tent. Works fine for me. Doesn’t completely kill the smell but enough. If it were an issue then I’d add another fan/filter outside the tent for me. If I try and vent for cooling/dehu in flower then my 20lb is empty in about 2.5 days. In a 4x8
 

Boatguy

Well-Known Member
But he doesn’t have intake/exhaust because he runs a closed “sealed” system.
Thats what i thought, but then he said " I have a carbon filter in my tent and it’s setup with an ac infinity inline fan to exhaust when my humidity or temp gets to high. " Maybe the OP can clarify
 

JoeBlow5823

Well-Known Member
Dont really think smell free is possible if exhausting into a room. Maybe if you are running two filters, one recycling back into the tent 24/7 and another exhausting for temp control.
I am cheap, so i added a second dryer vent. A single carbon filter is effective enough for that. Exhausting into the room, the smell that got by the filter eventually caused a stink.
I double filter the tent air. Once when it is pulled through a filter in the tent and again when it passes through the filter in the trash can which is set at a higher speed so it has a "negative pressure" and filters all of the incoming air. Its sort of like a multi stage water filter system. Works PERFECTLY. You do have to run the tent fan at all times to keep negative pressure in the tent.... otherwise smell will leak out of the tent when its not running. IMG_3320.JPG
 

Ranger69

New Member
Thank you all for the tips. Since I don’t really use my carbon filter in the tent because I have an ac and dehumidifier in there should I just take it out and just have it running in my laundry room recirculating in there?
 

JoeBlow5823

Well-Known Member
Thank you all for the tips. Since I don’t really use my carbon filter in the tent because I have an ac and dehumidifier in there should I just take it out and just have it running in my laundry room recirculating in there?
Hang your filter on the ceiling of the tent....

 

Gardenator

Well-Known Member
Inline scrubber inside the tent between ac/ducting off ac exhaust/carbon scrubber/can fan/ducting going out of tent and duct back to your trash can scrubber (i really like that cool idea) from there... should help that smell go away and you can add an inline uv light filter with the exhaust with some pvc conduit and some fittings to make it work but it would help as well or just an ozone gen running outside of the tent with this set up would eliminate much more of the left over smell
 

Ranger69

New Member
What I actually did was disconnected my exhaust side and let it just recirculating the air in the tent to scrub the air that way it can run constantly so there’s no duct work leaving my tent except the two ducts that go to the dual hose ac and now no smell in that room at all. Last night the fu##ing hose popped off the exhaust side of the ac and I woke up and my tent was 92* so I fixed that with some aluminum duct tape now it’s 78*. Thanks for the tips. I have a lot of ideas I want to change inside the tent after this grow to make things much nicer and prettier FCDB8088-A3E0-497E-81DF-9BC2D29B728D.jpeg1FDF1C07-D7C8-427D-A252-80943AD2BB31.jpeg9EE5918C-D7EA-4B9B-97FD-4F1F75F4A516.jpeg0C26BF93-526E-43C4-9428-BB20A9703B06.jpeg
 

Ranger69

New Member
What I actually did was disconnected my exhaust side and let it just recirculating the air in the tent to scrub the air that way it can run constantly so there’s no duct work leaving my tent except the two ducts that go to the dual hose ac and now no smell in that room at all. Last night the fu##ing hose popped off the exhaust side of the ac and I woke up and my tent was 92* so I fixed that with some aluminum duct tape now it’s 78*. Thanks for the tips. I have a lot of ideas I want to change inside the tent after this grow to make things much nicer and prettier
 

GC_Mospeada

Well-Known Member
I bought this off Ebay for less than $100. It releases plasma into the air to neutralise odour. I don't even have it in my grow room but outside at the door. Maybe it gives you cancer and the high pitch squeal it emits is the most annoying sound on the planet...but it works, works really really well.

I switched my tent layout to make better use of Co2 bags. Works well too and my ppm is steady 800, the bags are fresh so they're still getting started.
 

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