Air Movement Problems Please Help!! :(

G

Gnc36

Active Member
Hello Rollitup

I got SecretJardin's DR90 Grow tent(90x90x180) in this Grow tent i want to do 600w with cooltube and i'm gona keep cool my cooltube with Ventilator - Fan RVK Lti diam 150 mm 680 m3.
My exhaust gona be (ventilator - Fan RVK Lti diam 125 mm 225 m3) with carbon filter and my intake gonna be (ventilator - Fan RVK Lti diam 100 mm 160 m3) so do you think any problem can be?
Like Pushing or pulling the tent?
 
G

Gnc36

Active Member
ChroniKz said:
So, what is your actual problem?
Click to expand...
Last time i used the same size fans one for exhaust(with carbon filter)+cooltube and the other for intake and my grow tent was began to swell like a balloon.
By the way it's SecretJardin DR90II Grow Tent.
 
flaxseedoil1000

flaxseedoil1000

Well-Known Member
You can put a speed controller on each fan, then dial in the pressure to your liking.

My exhaust is 20" carbon filter to 400 cfm fan at 2/3 speed.

My intake is Dust Shroom to 400 cfm fan at 1/3 speed.

That gives me a slight positive pressure.
 
BBB1974

BBB1974

Active Member
Strap your carbon filter to one of the top corners, attached the fan directly to the filter (sucking the air through the filter), then run ducting to your cool tube, then from the other side of the cool tube, run more ducting to the exhaust port ;)
 
mr2shim

mr2shim

Well-Known Member
Why did the tent swell? were you dumping the exhaust air back into it like a dummy? The tent should get sucked in a bit from the negative pressure not the other way around.

Here's my setup, you should do the same. The fan is at the top behind the left side of the carbon filter.

IMG_7365.jpg
 
M

Marskush

Member
mr2shim said:
Why did the tent swell? were you dumping the exhaust air back into it like a dummy? The tent should get sucked in a bit from the negative pressure not the other way around.

Here's my setup, you should do the same. The fan is at the top behind the left side of the carbon filter.

View attachment 2312836
Click to expand...
What is supporting the canister? the tent seems to weak. do you have it mounting from the ceiling?
 
mr2shim

mr2shim

Well-Known Member
Marskush said:
What is supporting the canister? the tent seems to weak. do you have it mounting from the ceiling?
Click to expand...
Zip ties, I've been using this setup for 2 years without it ever falling. The tent is strong, very strong. I can do pull ups on it. (I'm 175 pounds) The carbon filter is only ~5 pounds.
 
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