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Old 07-04-2009, 08:23 AM
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Default Grow Tent Vent Question?!? NEED ADVICE
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Hey I'm lookin into some grow tent vents and want to know what i could get away with keepin the temps down. Size of Grow tent is 20" deep, 36" wide, and 64" tall. the fans i'm lookin at are the 4" inline fan/carbon filter combo (170cfm) and the 6" inline fan/charcoal filter combo(424cfm). this fan will be venting the tent(housing a 400w hps with forced air cooling)(6" inline duct fan for the reflector 250cfm). I will buy the 6" if the 4" inline won't work. Has anyone seen a simalar setup where this has worked with a 4" inline fan? because i don't want to buy it and it won't be suffice. if anyone could get back quickly on this one it would be more than appreciated. Thanks, LogHead
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Old 07-04-2009, 11:30 AM
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I just got the exact tent. I dont know if 4" fans will be enough as the tent is so small, it will easily heat up. Definitely with a 400w HPS.

Im running 8 CFLs and my tempts are still getting to around 95 degrees. I plan to go out and grab an AC unit to put into the room sometime this week.

I need to friend you tho bc I want to know how you setup your tent. Im still trying to figure out how I am going to do mine.
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Old 07-04-2009, 11:44 AM
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im running a 39X39X79 ... using a 400 watt HID system .. im susing a 6" fan with carbon filter.. my temps never go higher than 79 degrees...
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Old 07-04-2009, 11:45 AM
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I have a 4x4x6 and I capped off a window AC unit and ran 6 inch ducting into the tent. Use the pre cut 4inch holes to cool your light with the inline fan and then cut your own 6inch hole and cap off an ac unit and run it into the tent. My tent wont get above 85 and when the AC is running its about 72 degrees
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Old 07-04-2009, 12:05 PM
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im running a 39X39X79 ... using a 400 watt HID system .. im susing a 6" fan with carbon filter.. my temps never go higher than 79 degrees...

Do you know what the ambient temp is outside of your tent is? Also what kind of reflector do you have?
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Old 07-04-2009, 12:08 PM
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Do you know what the ambient temp is outside of your tent is? Also what kind of reflector do you have?

i would say it's a good 76 outside my tent ...i have a horizontal Reflector..
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Old 07-04-2009, 01:03 PM
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Just make it easy and get a simple cool tube reflector and have it use 2 4 inch fans one taking air in and 1 taking air out. Temps will stay in the 70s...
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Old 07-04-2009, 01:15 PM
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Just make it easy and get a simple cool tube reflector and have it use 2 4 inch fans one taking air in and 1 taking air out. Temps will stay in the 70s...

nice set up man ... +Rep
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Old 07-04-2009, 11:06 PM
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If your ordering the 20x36x64 tent from HTG, then know that the diagram they show is wrong.

I got two 4" ports (ones in back) and the two top and side's were 6in ports. Talked to them and they said that is the diagram the manufacture gives them, and they are not allowed to change it at all.

Picked up a 6500 BTU a/c unit today. Room is a lot cooler now. Tempts in tent are about 78. WAYY better than 95.
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Old 07-04-2009, 11:14 PM
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in the process of getting this tent and set-up too, cooltubes all the way for sure, and I was originally looking at the 4" inline but after your responses above 6" might be the way to go....

skoad you really had to put a full AC guy in there to just get it to 78?? What kind of lights are you running/reflectors??
 
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