TEMP problems need help

kid cannabis

Well-Known Member
3 fans and only 187 watts for veging and im already running into temp problems. i have a 120mm exhaust fan from the trunk out, another 80mm exhaust fan out of the rubbermaid, and an 8 in intake fan into the rubbermaid, and another passive intake coming into the trunk. the intake and exhaust are covered with pantyhose for lightproofing but i think they are blocking airflow
 

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motoracer110

Well-Known Member
ya it dose sound like the panties are blocking your flow you should either get a bigger fan system or get rid of the panties and try to find another way to cover up the light. dose the box have to be %100 discrete?
 

kid cannabis

Well-Known Member
yea i need it to be pretty much completely light proof. i was thinking a 90 degree pvc but its to big and bulky ........ i was thinking just hanging a black tshirt over the back so it touchs the ground idk if that would restrict less.
 

schlicky

Active Member
I have tried using a 90 degree elbow and it works OKAY. There is still light leak, mine isn't PVC though its for a chimney because its a fairly big input (6") and it takes A LOT of room (I can only put my box in a corner and not flat against a wall). If the problem is with an output I would maybe suggest looking into dryer vents (they are generally 4") like you see at the side of houses to stop rodents and such.. I use this to seperate my different grow areas and it works well. If it is 100% important to keep your box stealthy maybe try using charcoal filters? I haven't used these yet but there are some good DIY's on here and from what I read they block the light AND keep the smell to a minimum (there main purpose).
 

dpjones

Well-Known Member
dude how are you measuring those temps? Isit possible the thermo is sitting on something conducting heat? Those temps sound high for all the ventilation you got.
 
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