Are carbon filter fans required…

mattman089

mattman089

Well-Known Member
With extraction fan? What would be the disadvantage of just running the extraction fan without it..

I realize that the smell would be strong but I don’t mind the smell and live in a state that allows growing.

Thoughts? Anyone running exhaust fa w/o carbon filter?

Mine needs replaced and I’m like do I even need this..?! lol
 
mattman089

mattman089

Well-Known Member
Star Dog said:
If smell isn't a problem then you've no need for a carbon filter, filtering smell is its only job.

You can run your fan constantly @ultra slow to maintain negative pressure and prevent any smell leaking out.
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Copy that. I was reading that it helps create clean air for the plants also but not sure how much I buy that. I’ve always used it for smell and only smell.

gonna take it out and I guess if I change my mind I’ll get another.

Thanks for the response lol
 
TCH

TCH

Well-Known Member
As stated, carbon filter is for smell. If you are using a fan for your intake, I'd definitely put some sort of filter on it to prevent dust, hair, pests, small children, etc... getting sucked through the fan and ultimately into the tent. If you are just using the fan for exhaust, put some sort of filter over your intake vent, but there's no reason to use the carbon filter if you don't care that others may know you're growing. The law isn't the only party that the filter helps with. Thieves are also a thing to keep in mind.
 
Star Dog

Star Dog

Well-Known Member
Try a carbon filter pre filter over the inlet it's high volume flow and they're fine enough to catch anything concerning.
 
amneziaHaze

amneziaHaze

Well-Known Member
Pantyhose on /intake/exaust will stop most dust and pests.
And carbon will reduce airflow by 30% i think soo if you like the smell its better not to have it
 
Star Dog

Star Dog

Well-Known Member
mattman089 said:
Copy that. I was reading that it helps create clean air for the plants also but not sure how much I buy that. I’ve always used it for smell and only smell.

gonna take it out and I guess if I change my mind I’ll get another.

Thanks for the response lol
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Tbh 100% of carbon filters I've seen are taking care of the outlet afaik that doesn't have any bearing on the air quality, a filter on your inlets will keep things dust free though.
 
conor c

conor c

Well-Known Member
You don't need it unless you stay somewhere where smell is an issue tbh im just gonna warn you now when i started growing i didnt use one for a bit and honestly i could smell it a couple of streets away with some stuff it was ridiculous so beware if thats no issue then by all means
 
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medidedicated

medidedicated

Well-Known Member
Even with filter I had maintenence people tell me ohhh yea I smell it. Not that bad but damn. I didnt believe them but I smoke so my senses arent perfect.
 
conor c

conor c

Well-Known Member
medidedicated said:
Even with filter I had maintenence people tell me ohhh yea I smell it. Not that bad but damn. I didnt believe them but I smoke so my senses arent perfect.
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Oh they proly will like you said you and your room mates are proly a bit nose blind to it before i started drying it in tents with a filter/fan on it as well when it was that time i was reeking my neighbours houses out they dont smoke so they noticed luckily i got good neighbours who gave me a heads up instead of calling the cops as it should be there good folks so my lesson was learned
 
conor c

conor c

Well-Known Member
laddyd said:
I live in a legal state. That being said I worry what the HOA would say, so discretion is the better part of valor.
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If it was legal here id have trees front and back as well as indoors i envy those who can grow monsters without issue i get what your saying though your definitely best getting along with everyone around you where possible
 
futurebanjo

futurebanjo

Well-Known Member
As above it's purely to lessen the smell... they represent a loss of efficiency as you're having the fan work harder to push or pull the same amount of air through a bottleneck/restriction.

And they need replacing frequently as once the carbon granules are saturated, they will stop working properly unless you can empty it and re-fill it with fresh carbon granules/pellets, and that is a messy and dusty job!
 
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