hey all well my problem is heat. I bought a cool tube for my 400 watt lamp i have a closet roughly 12' x 2' x 7' it has 4 sliding doors. I am cooling the tube with 171 cfm inline jet fan with a few feet of ducting on both sides. I have an oscilating fan blwoing on the plants anohter fan blowing at the cool tube from below. my temps will get to 90 by the end of the cycle prolly. I just set it up and its 87 right now is this going to be to hot for my girls and how could i get it cooler. My room temp is about 80 with lights off but entire bedroom gets warmer with lights on. Im getting discouraged idk y i cant get a handle on temp anyone else grow in 80 degree ambient temp with HID. Even with the cool tube 4 feet away its hot is the tube not getting cool enough i can touch it its hot but doesnt burn. Am i doing something wrong?

please help me im getting desperate and i have a girl with only 2 or 3 weeks before harvest

thansk
-kb

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I light up trees everyday like its christmas -KB-

run an air conditioner in your room to bring things down. Your room is just too hot to begin with. Your starting at 80 and then the light is still going to bring it up even with a fan and cooltube setup. Head to Walmart and get a cheap unit or post on craigslist or borrow one. Goodluck

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You can use all the fans you want but if your starting up in a hot room, a hotter room is all your gonna get.
Def need to use a AC.

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“trust our government officials and just take the damn vaccine!” - NBC puppet Dr. Nancy Snyderman

you could get a small AC unit that can be plugged in, and put it in with the plants. It will drop the temp. 30 or 40 bucks will do it. My old room was around 65 to 68 at "night, and 76 to 78 during the "day"

where you find a small ac unit for $30-40¿¿

Im buying a portable and it's about $300

__________________
“trust our government officials and just take the damn vaccine!” - NBC puppet Dr. Nancy Snyderman

Your fan is not big enough to take full advantage of the cooltube. I would start there. Also, kinks in the ducting take away from the airflow as well. If possible, straight in and straight out.


-AR

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or a bigger fan even.

__________________
“trust our government officials and just take the damn vaccine!” - NBC puppet Dr. Nancy Snyderman

I dont have any more money to put into this grow really and if i did its not 300 dollars for an ac that i have to run 12 hours a day
my central ac is set to 75 its about 78 in my room 79 in closet cant get much lower very old unit uses shitons of electricity
I'm buying some panda film, a staple gun and velcro to make a tent in my closet in order to exchange the air in a smaller relatively sealed area
I'm hoping added reflectiveness will keep my walls from absorbing heat and also creating one exhaust point and one intake point making it efficient air exchange while also light proofing my grow area
right now there is no real air exchange going on because closet is so big.

Thanks everyone for your advice
-kb

__________________
I light up trees everyday like its christmas -KB-

then fans, 1 in and 1 out, works for my flower closet that gets super hot.
1 on bottom pull cold air in and 1 on top sucking hot air out into the room

__________________
“trust our government officials and just take the damn vaccine!” - NBC puppet Dr. Nancy Snyderman

thanks man do you think its safe to cut a 4" hole in my ceiling i live on the bottom floor of an apartment. Is it ok to vent right into my ceiling
I was thinking about drilling a few small hole to see if its a spot without studs or anyhting then drill big hole in the middle and try and use a razor to cut the 4 " hole i have a carbon filter so smell shouldnt be a problem

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I light up trees everyday like its christmas -KB-