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Positive or Negative pressure in my grow tent?
Posted 27 November 2010 - 03:44 PM
Posted 27 November 2010 - 04:16 PM
for my tent i gave a inline fan pulling air out, and the only intake i have is the flaps that you were talking about. if smell is a problem for you, all that air blowing out through the duct holes etc will blow out some stinky air.
Posted 27 November 2010 - 04:22 PM
Posted 27 November 2010 - 05:19 PM
Posted 27 November 2010 - 06:36 PM
Edited by hollapainyo, 27 November 2010 - 06:38 PM.
wrong words used
Posted 27 November 2010 - 07:51 PM
I mean how to set up the ventilation in my grow tent:confused:
The Scrubber is the first part of your chain, the fan is the last. I have a cooltube HPS light, so my chain is the following.
Carbon Filter, 4" ducting from the filter to the one end of the cooltube. Then the cooltube. 4" ducting on the other end of the cooltube up to the fan, and out of the grow space.
Make sure your Filter is strong enough for the fan's pulling power. If not, the fan will pull the air through too fast for the carbon filter to do its job and you will still have odor. But also make sure the fan is strong enough for the air exchange and heat removal you need.
Good Luck. Peace.
You can see my setup in the Current Grow link in my sig. I have pics I put up when I made the change to the cooltube..
Posted 27 November 2010 - 08:14 PM
Posted 27 November 2010 - 10:00 PM
Also just curious.... the pictures do not show where the fan is? Please have patience with me..... i grow for personal use cause i have ptsd and traumatic brain injury from iraq and i would rather smoke than take the pills the VA gives me and my brain doesnt process things quite like it use to.... not looking for a pitty party AT ALL i just wanted to stress that it takes me a while to read things and picture it in my head ya know.
I have a squirrel cage fan, and due to the small size of my grow tent, I could not for the life of me, figure out how to mount the fan on the inside. So the fan sits right on top of the tent., well on a shelf thats right above the tent. The ducting goes out the top of the tent, and connects to the inlet hole of the fan, right outside. You basically see the hole setup, run right up to the side of the fan.
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