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Help with too hot/too cold temps/airflow design - In a 2k Stacked Vertical Setup

I've recently added a 2nd light to my vert setup.

Here is my current setup:

picture.php


It is a stacked vert 1000w on top 600w on bottom. The 600 is temporary and will soon be replaced with a 2nd 1000w

So very soon I will be working with a 64" x 64" x 96" cab with 2000k.

The room itself is 9' x 15'

Currently the only way I'm able to cool the room with both lights on is to intake directly from outside. The window is right next to the cab so the pic is slightly off. There is only a couple feet of duct from cab to window.

6" 425 cfm (or might be 415 cfm) filter/fan venting outside.

3 x 6" intakes- 1 from outside, 1 from ground level directly below window, 1 from veg/drying chamber.

With one light this setup worked. Now that I've added a 2nd light, my temps during lights on reach 85. So what I've been doing is taking intake #2 and drawing from the window alongside intake #1.

Even with this adjustment my temps are around 83.

Once the lights go off my temps drop into the high 50's.

So at the moment when lights go off I remove intake 1 and 2 from the window, bringing my temperatures in the cab to mid-sixties. It won't reach higher because the window is slightly open for the exhaust.

Looking for some suggestions.

I have a second exhaust fan/scrubber of equal size at my disposal, but before I do anything with it I'm hoping to get some input on how to properly set it up.

I realize that intake from outside is not going to work as it is only going to get colder.

Will adding a 2nd 400 cfm exhaust outside bring my temps down?

Another option I was considering is adding an active intake with my 2nd 400 cfm from the living room that will kick on when the lights go off, and use a fan speed contoller to slow it down a little, so that I won't be intaking so much from outside but will maintain negative pressure.

This is more power in a single cab than I'm used to. Open to any ideas on how to resolve this.

Thanks.

-FJ
 

Dubya

Member
Hey FJ!

People are usually really helpful here at IC. I think you could have picked the wrong forum to put this thread in. Might get a better response if you post it up in the vert/colosseum forum.

Good luck. Wish I could offer some solutions but I'm not sure what to suggest.
 

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