Venting problems Stealth grow cab

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MikeyPeenz

Well-Known Member
Hello all, im having some trouble with my grow cabinet. I added carbon filters onto my exhausts and it seems to be not venting properly now, temps are rising. I have 1 intake with one passive, and 2 fans for exhaust. Im trying to accomplish getting all the hot air out and bringing in fresh cool air. I have a 4" fan blowing cold air towards the intakes, and one fan circulating air inside the box. I guess what im trying to say is i need to create negative pressure? I picked up 2 more small fans, and im wondering if i should re position fans and what not.

Oh ya, the cab is about 24 inches wide, 24 inches tall and about 14-15" long.

Any advice is helpful i will give rep if need be!
thanks again
Happy Token!:bigjoint:
 

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skervy

Active Member
are your intakes bigger then the exhaust? i cut my temps down by 10 degrees just from cutting out the intakes into bigger holes. and the fans prolly dont have the power to push through the filter
 
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MikeyPeenz

Well-Known Member
skervy said:
are your intakes bigger then the exhaust? i cut my temps down by 10 degrees just from cutting out the intakes into bigger holes. and the fans prolly dont have the power to push through the filter
Click to expand...

The intake fan pushes less air then the 2 exhausts. im using 3 80mm and 1 120

You dont use an intake with fan on your setup just passive ones?
 
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skervy

Active Member
i just use passive i dont know the specifics of air pressure to get the right size and fans for intakes lol. but i do know that your intakes should be 2-3 times the size of the exhaust
 
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MikeyPeenz

Well-Known Member
skervy said:
i just use passive i dont know the specifics of air pressure to get the right size and fans for intakes lol. but i do know that your intakes should be 2-3 times the size of the exhaust
Click to expand...

Ok dude, thanks ! i checked out your stealth dresser! i likey, im going to try and setup up my fans similar to your setup
 
ow.douglas

ow.douglas

Well-Known Member
Mikey, take some pix of the set up. You say filters, are there more than one filter? What type of fan are you using on that exhaust/filter or filters? Is it the 120 PC fan? What kind of filter are you using?
 
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MikeyPeenz

Well-Known Member
ow.douglas said:
Mikey, take some pix of the set up. You say filters, are there more than one filter? What type of fan are you using on that exhaust/filter or filters? Is it the 120 PC fan? What kind of filter are you using?
Click to expand...

Hey bro, girls are sleeping right now so i'll post pix around 6 when they wake up.
i have 2 fans for exhaust. 1 80mm, which connects into the dryer duct with a filter clamped on the end. the 120mm pc fan has a filter taped over the end. They are basically like filter sheets that you can cut.

You can sort of see the back of the box where the exhausts are in the 2 pics above.
 
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