need help deciding how to set up exhaust fan and carbon filter

[baet]

my cab is a closet, 2.5' x 6' x 6.5'high. i have a supersun2 hood, 600 watt hps bulb and a 440cfm inline exhaust fan. as well as soon a carbon filter.

would the best way to ventilate and keep temps down be having my carbon filter hung horizontally in the corner of the ceiling hooked up to my inline exhaust fan sucking air through about a foot of curved ducting going out the roof into another cabinet space?

for example: carbon filter>inline fan(sucking)>ducting>exhausted into above cabinet space. seems like a solid setup. but because this is my first indoor i feel skeptical about being sure about anything.

or


what would be more effecient and effective?

 

[Illegal-Seed]

Carbon filter, hood, fan.

Use ducting to connect the filter to the hood. On the other side use ducting to connect the hood to the exhaust fan.

 

[FreezerBoy]

What's "another cabinet space" for?

The most efficient would be filter in the cab and fan outside at the end of run. Always better to pull than to push.

 

[baet]

there just happens to be small cabinets above the closet. seems pretty conveniant

are you saying to have the carbon filter in the cab at the ceiling hung horizontally with ducting connecting the filter to the exhaust fan placed outside the cab(in the above cabinet space) sucking and pulling air through the carbon filter?
such as: caronfilter>ducting(about a foot leading out of cab into above cabinetry)>exhaust fan(outside cab in above cabinetry)

pretty much what i was saying just instead have the fan placed in the above cabinet space? good idea. less work for the fan by avoiding about a foot of pushing air through ducting into above cabinet, and it might keep temps down a little better having fan out of cab, maybe...

edit: my original idea on the first post was set up for the fan to pull, just had to exhaust about half a foot of ducting out of the cab. so about half a foot would be push i guess, but the ventilated air in the cab and carbon scrubber would be pulled though the fan, then pushed through half a foot of ducting out of cab... is that amount of push through the ducting more than i think it is, like making the fan work harder than it needs to, avoiding that extra work by setting up fan in cabinet above cab to avoid push, ventilated scrubbed air once it reaches fan is immediately exhausted. ive never done this before.

edit2:^^ yeah it makes alot more sense now to have the fan be the last part of the vent system in cabinet space above growcab so it pulls everything and then immediately exhausts, avoiding it have to pull and then push if that makes sense..

 

[Outportgrower]

Keeping both your scrubber and fan inside the cab take up grow space. This is something I neglected when in a rush to get my test cab going and now regret it. I will need to change it around for the next grow as you can see the fan will/has become an issue at day 60.

I now have needed to pull the reflector above the fan due to growth of the plants at this stage. Not something I was considering since I had planned on another indoor scrog but decided to let these ones run wild this round. With a 6' cab I thought I would have been ok, but you just never can tell.

Next time though

 

[baet]

outport-are you running a 600?

 

[Outportgrower]

outport-are you running a 600?

Yup, and a 6" Vortex. I can keep the temps pretty much where I want them to be. With lights on between 70 and 74, lights off 60 - 62 and the RH hangs around 40%. With the small fan blowing on the bulb towards the scrubber most of the heat is drawn right out with the stank.

 

[baet]

wats your cubic footage?
im actually very similar to your grow cab, getting a 6" 440 cfm, either vortex or another brand i forgot the name, and using an uncooled supersun2 hood with a 600w lamp. good to know man. ill have a portable fan blowing on the lamp as well pushing heat at the scrubber.

 

[Jnugg]

Also you should try and vent the exhuast to the attic or out a window otherwise you are just dumping the hot exhuast air into the room your cab/tent sits in and draws fresh air from which will cause the temps in the grow to rise...something to think about.

 

[baet]

jnugg-i thought of that too yesterday when thinking of the design, and it seems like a definate flaw, thank you, im mite try and figure out a way to vent outside since the room and closet wall is on the other side of being outside.

you must spread rep before giving it to jnugg again...