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darkroom louvers, intake/exhast grow cab question please help..~@@

J

jayww

Member
So heres the deal, im a little bit confused about light proofing my cab..........

i would like to use the darkroom louvers...i know i could install one or two for a passive intake......

but how do i go about creating a exhast with the same benifits, of lightproffing

i got a cabint which i would like to most likely run a cool tube, with a 250 watt mh/hps, possibly 400 watts.

do they make a darkroom louver for exhast?? so i could hook up 6" flex duct to it somehow.......

i see they have them with built in fans, but i belive they are for intake which i dont need...

help apreciated, any questions just ask if you dont understand my jibberish...
 
M

m00nchild

Dude, as long as you use a carbon scrubber, the exhaust will be light proofed. There is no need for any exhaust louvers or anything like that. The scrubber will let air pass through, but not light.
 
J

jayww

Member
ok, i understand the carbon filter blocking the light....what could i use to cover up the 6" round hole coming out of the cab (
edit: how would i run the scrubber inside the cab? and run the ducting?


if i pulled thru the scrubber it wouldn't work cause it wouldn't block light....

exhast hole....fan...light...scrubber


tryin to figure out a way...
 
M

m00nchild

jayww said:
i understand that, but i wanted the scrubber in the cab, not outside the cab
Click to expand...

That's fine. Then just put the scrubber in the cab, connect it to the intake of the exhaust fan, then send the output out the back of the cabinet. If that doesn't make sense then I'm guessing you will be using a non-traditional fan of some sort? Give us more details?

You can click the link in my sig and read through that. It will probably help out a little bit.
 
J

jayww

Member
just looking for a simple setup similar to this....
 

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J

jayww

Member
just looking for a simple setup similar to this....

attachment.php



again jus tlooking for a way to exhast the air thru the side or back of the cab without it looking obvious, wnat it stealth looking like what the louver provides....
 
C

Cannarado

Member
Read... Read Read Read Read Read Read Read Read Read Read Read Read Read .... and then read some more.

Especially because those dark room louvers, suck. It would require like 10 to equal the intake of a average 6" exhaust.

Theres plenty of threads with many many pictures of how people set their stuff up. Hit up the search function and read. "Ventilation 101" would be a good start. And then search out "Light proof intakes" and read.
 
simon

simon

Weedomus Maximus
Veteran
Cannarado said:
Especially because those dark room louvers, suck. It would require like 10 to equal the intake of a average 6" exhaust.
Click to expand...

I run 2x8" and 4x4" louvers as intakes for a Vortex600 cooling a 600HPS in less than 6ft2 of floor space. The temps hinge at 1-2F above ambient. This said, the louvers aren't used, because they're extremely efficient. They're used, because they're physically flat and take no additional space.

Simon
 
C

Cannarado

Member
Just because you use them... doesnt mean they dont suck. They are horrible for the price. The ammount of stuff you could buy thats 100 times more worth it. and even tho you say "they are physically flat"... not true. They are 4 inches thick if i remember correctly. In things like my micro cab... that 4" would be like the diff between night and day.

IMO - The only reason to want flat is for stealth... but 9 times outta 10 a darkroom louver is quite noticeable. So... why drop the cash?

They arent 100% light proof (many people have complained), the CFM's allowed is a total lie, and they are just ridiculously expensive.

In all with Price, Shipping, and actual quality... i'll take a bend in some ducting anyday...

Im just trying to say that theres WAY better options...
 
C

Cannarado

Member
simon said:
It's a matter of ~6ft2 of floor space running 1-2F above ambient with a 600HPS.

Simon
Click to expand...


As i said previously... theres always going to be someone that likes a product... even those products that suck.

Air can only move as good as the smallest part in the louvers. Theres no way that with the size and design of the louvers that its getting anywhere near 400CFM.

Does it work? Sure... if you have the spare cash to drop. Are they worth it... 4 out of 5 say no.

Took me a good minute to find... http://www.icmag.com/ic/showthread.php?t=135524&page=6

10.25 sq in of airflow... and you SHOULD have 10% more area in your intake then exhaust. A 6" exhaust has 18.84, plus the 10%, equals 20.724. So two could do... but at the cost of $20 a pop, $40, plus $10 shipping... $60 for an intake. Not to mention depending on your fan, how your rooms set up ect... you could be putting much strain on your fan... thus reducing the life of your fan.

Scrubninja's lightproof louver's are a third the price, a quarter the thickness, and personalize able to fit any room and any intake needs.

Adorama louvers are great if your lazy, cant think, or just have the money to drop on stuff thats not going to help your crop. Dont think louvers are ever going to increase yeild/quality... so i just cant see dropping that much money when theres thousands of better less expensive ideas...
 
simon

simon

Weedomus Maximus
Veteran
Cannarado said:
As i said previously... theres always going to be someone that likes a product... even those products that suck.

Air can only move as good as the smallest part in the louvers. Theres no way that with the size and design of the louvers that its getting anywhere near 400CFM.

Does it work? Sure... if you have the spare cash to drop. Are they worth it... 4 out of 5 say no.

Took me a good minute to find... https://www.icmag.com/ic/showthread.php?t=135524&page=6

10.25 sq in of airflow... and you SHOULD have 10% more area in your intake then exhaust. A 6" exhaust has 18.84, plus the 10%, equals 20.724. So two could do... but at the cost of $20 a pop, $40, plus $10 shipping... $60 for an intake. Not to mention depending on your fan, how your rooms set up ect... you could be putting much strain on your fan... thus reducing the life of your fan.

Scrubninja's lightproof louver's are a third the price, a quarter the thickness, and personalize able to fit any room and any intake needs.

Adorama louvers are great if your lazy, cant think, or just have the money to drop on stuff thats not going to help your crop. Dont think louvers are ever going to increase yeild/quality... so i just cant see dropping that much money when theres thousands of better less expensive ideas...
Click to expand...

There are many ways to design a room. In some configuration the louvers make a lot of sense, in others they don't. It all depends on the design. I use 2x8" pipes in my big room, because that's what made the most sense, but the boxes benefit from the louvers and their performance certainly reflects that notion. I can explain why the louvers were a great fit, but you ignore all of my comments and recite the same Matra over and over, as if repetition somehow makes a difference. As for the rest, I'm don't really know what to say. We don't see too many noobs trying to teach basic ventilation to experienced growers whose 100w/ft2 rooms run close to ambient. Astonishing, really.

Simon
 
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