• Here is a link to the full explanation: https://rollitup.org/t/welcome-back-did-you-try-turning-it-off-and-on-again.1104810/

what is the best way to set up fan/hood/filter in grow room?

green217

green217

Well-Known Member
As of right now I'm planning on having: filter-----hood--------fan--------outside room(exhaust). so in other words i'm sucking air through my filter and light before exhausting it out of the room. this is the fan/filter I got, and I have the fan controller to:New Hydropronic 6" Inline Fan With Carbon Filter Combo Odor Control Air Quiet. My question is, is there a more efficient way of doing it? should I place my filter outside the room and exhaust into it, while having the fan blowing air threw the hood?
something like: fan-----hood--------filter(outside room)
Still haven't hung it yet so let me know what's best. Also the room is 5x6x7 and I'm running a 1000 watt HID. Where should I mount the ballast, this is my first indoor grow anything and I'm not sure where I should put it. In the room or out of the room? I
 
jijiandfarmgang

jijiandfarmgang

Well-Known Member
Don't use the fan controller.

You had the setup right the first time. Pushing air through the carbon filter will work, but its not as effective.

Ballast would be better mounted outside of the room if you can.

- Jiji
 
jtdubz

jtdubz

Well-Known Member
You should just have the filer inside like I have it, but not use the filter until they get bigger since they won't really have a smell. Once they get a bit smelly you can just throw the filter on so youre not burning any life on it ya know? Hopefully this helps
 
Ou8aCracker2

Ou8aCracker2

Well-Known Member
In the tent it should be like this...

Filter > Fan > Aircooled Hood > ducting > exhuast to attic,another room,or out a window via window exhaust box.
 
jijiandfarmgang

jijiandfarmgang

Well-Known Member
Ok, pretty much ignore the last two posts.

In veg and early flower they wont smell much at all, but why disconnect the filter? Filter > fan > air cooled hood > ......etc is close to the same as what you first stated, except the heat from the fan is pushed through the hood. To make a long story boring I'm 99 percent positive this is less effective at heat transfer through the grow room.......but its not really that big of a deal. I suppose its nitpicking. For instance I have a small room where I'm pushing air through a carbon filter. Its not ideal but at the moment I don't really care.

Most important lesson, don't exhaust directly into an attic! Back in the day I was recommended to do this and it was some of the worst advice I ever received. So much freaking mold. Mixing really hot air with extremely cold air creates a ton of condensation. Two tiny gable vents don't help to mitigate that situation.

Live and learn

- Jiji
 
Ou8aCracker2

Ou8aCracker2

Well-Known Member
jijiandfarmgang said:
Ok, pretty much ignore the last two posts.

In veg and early flower they wont smell much at all, but why disconnect the filter? Filter > fan > air cooled hood > ......etc is close to the same as what you first stated, except the heat from the fan is pushed through the hood. To make a long story boring I'm 99 percent positive this is less effective at heat transfer through the grow room.......but its not really that big of a deal. I suppose its nitpicking. For instance I have a small room where I'm pushing air through a carbon filter. Its not ideal but at the moment I don't really care.

Most important lesson, don't exhaust directly into an attic! Back in the day I was recommended to do this and it was some of the worst advice I ever received. So much freaking mold. Mixing really hot air with extremely cold air creates a ton of condensation. Two tiny gable vents don't help to mitigate that situation.

Live and learn

- Jiji
Click to expand...
If you live where it gets to or below freezing temps then no you wouldn't want to exhaust into the attic.

Filter > Fan > Hood > out is the most efficient method.

If you set it up Filter > Hood > Fan > Out then you run the risk of pulling unfiltered odor laden air through any leaks in the hood and will be exhausting odors you don't want leaking to the outside world.Also it's not good for the fan.
 
Ou8aCracker2

Ou8aCracker2

Well-Known Member
How does it not make sense oh so wise one?!

It's simple...

When you set it up as Filter > Hood > Fan the fan is sucking air through the filter into the hood.If the hood isn't sealed 100% then the fan WILL suck unfiltered air through the hoods leaks,causing unfiltered smelly air to be sucked through the leaks of the hood and exhausted out to the open world where you don't want those odors escaping!

And set up that way even hotter air will pass over the fans motor which is not good for the fan.

Why you have to get so butthurt and call me a retard when you're the one that can't understand it all?!

Intake Air > Filter > Fan > Hood > Outside.

That way no stinky air gets sucked up without going through the filter first!

And speaking of retard...it's spelled you're,meaning you are.Not your,meaning ownership.
 
Zeke92

Zeke92

Member
You are all retards. Inline fans work best when they are sucking the air, not blowing it. So putting the fan after the hood is the best way. If you have an aircooled hood that is.
 
Ou8aCracker2

Ou8aCracker2

Well-Known Member
Zeke,it's not hard to understand.If the fan is after the hood and the hood has any leaks,you'll be sucking in unfiltered stink air that doesn't go through the carbon filter,thus you'll be exhausting stinky unfiltered air to the open world.

I swear this place is full of trolls and noobs trying to advise other noobs!

And for the record...

http://www.thegrowscene.com/posts/2012/12/the-grow-scene-7/push-or-pull-air-cooled-hid-system.aspx

Push or Pull?
Growers use inline fans to create the air-flow over the lamp. Using an inline air filter will protect your reflector and lamp from dust and other particulates, so it's really best practice to use them. Inline extraction fans are commonly designed to be positioned close to exit vents so that they extract (or suck) air from a room. However, when used as part of an air-cooled lighting system, it's preferable to push air over your lamps that is, your inline fan is positioned before your air-cooled reflectors. Not only does blowing cool air create less wear and tear on your fan's motor than sucking warm air all the while, but you will enjoy more control over air movement in and around your garden. Blowing creates a positive pressure inside your air-cooled lighting ventilation system. If there are any leaks then air will spill into your garden and be dealt with by your garden's ventilation system. Pulling, on the other hand, creates a negative pressure inside your air-cooled lighting ventilation system, so any leaks will draw your garden's unfiltered air in.


Read it and weep!
 
Ou8aCracker2

Ou8aCracker2

Well-Known Member
And Zeke92 you shouldn't be saying anything on this matter...from your thread you just created...

Zeke92 said:
Hi fellas, I'm having an issue on how to set up my carbon filter and inline fan. Im gono hook up the inline fan straight into my aircooled hood, and I thought to duct it out. Then put my filter in the back of the tentand duct it out. Got a couple clip fans to keep air moving and passive intake with tent flaps. Do you think it can work with those two exhausts for the filter and lamp?
Click to expand...
 
jijiandfarmgang

jijiandfarmgang

Well-Known Member
Deleted some of my unproductive posts.

fan pulling is better. Not by much. I tried this myself. Maybe it was the heat of the fan, or the excess flex duct that under positive pressure would fully expand and make sharp bends and create more friction.

If you have a leak in your hood, why not fix it? If there is a leak, and your pushing air then its really gonna work less efficient because your recycling hot air.

- Jiji
 
jtdubz

jtdubz

Well-Known Member
jijiandfarmgang said:
Ok, pretty much ignore the last two posts.

In veg and early flower they wont smell much at all, but why disconnect the filter? Filter > fan > air cooled hood > ......etc is close to the same as what you first stated, except the heat from the fan is pushed through the hood. To make a long story boring I'm 99 percent positive this is less effective at heat transfer through the grow room.......but its not really that big of a deal. I suppose its nitpicking. For instance I have a small room where I'm pushing air through a carbon filter. Its not ideal but at the moment I don't really care.

Most important lesson, don't exhaust directly into an attic! Back in the day I was recommended to do this and it was some of the worst advice I ever received. So much freaking mold. Mixing really hot air with extremely cold air creates a ton of condensation. Two tiny gable vents don't help to mitigate that situation.

Live and learn

- Jiji
Click to expand...
Can you explain why not to disconnect the filter? If there is essentially no use for it at this point. Why give advice without an explanation behind your madness.
 
jijiandfarmgang

jijiandfarmgang

Well-Known Member
I apologize for the harsh words, I wasn't in the right state of mind.....

What I meant was, you can disconnect it in veg but why? Its not a big deal if you do. Although, it will smell a little especially if its humid. Also it helps to stop debris or bugs (hopefully you don't have them) from touching the bulb.

- Jiji
 
jtdubz

jtdubz

Well-Known Member
jijiandfarmgang said:
I apologize for the harsh words, I wasn't in the right state of mind.....

What I meant was, you can disconnect it in veg but why? Its not a big deal if you do. Although, it will smell a little especially if its humid. Also it helps to stop debris or bugs (hopefully you don't have them) from touching the bulb.

- Jiji
Click to expand...
No worries, everyone has their own ways of doing things. So its just nice to have some type of explanation behind things. Thank you. :)
 
You must log in or register to reply here.
Top