Air Movement Problems Please Help!! :(

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?

So, what is your actual problem?

ChroniKz said:

So, what is your actual problem?

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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.

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.

Use a passive intake maybe... ? You will need negative pressure

why have an intake fan? why not do passive intake? use the saved money on something else important.

scrap the intake fan and just have an exhaust fan so no swelling of the tent good luck

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

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.

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

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What is supporting the canister? the tent seems to weak. do you have it mounting from the ceiling?

Marskush said:

What is supporting the canister? the tent seems to weak. do you have it mounting from the ceiling?

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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.