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Thinking of just buying a more powerful extractor fan to be honest, this 4" TT is hardly creating circulation which I think is the main issue.

At the base of the tent, my tent is 120cm tall so I reckon about 40-50cm below the lamp ? I have a black tray at the bottom with 4 black pots aswell, does that much black do wonders for heat :cry:

Ok guys I'm nearly there ! So with the new setup (moved ducting and put a fan blowing air into tent) Its down to low 80's in the day and at the moment 79 at night which is all good. However the fan blowing air into the tent is creating more than the extractor so the tents blowing up. I'm aware...

Thanks for the advice guys. Ive moved the tent to test in a more open environment. So far in the lounge with the ducting around 1m away from the tent, and a small fan blowing air through the lower duct Im getting temps of around 82-83f with the thermometer at the base of the tent, right...

put ducting towards the window now, left it on for an hour or so and its 95f. Will an intake fan help enough ?

Looks like im gonna have to :mrgreen:

I appreciate all the help I can get, honestly ! Im just puzzled as to why it would alter the temperatures inside the tent by taking warm air thats outside it somewhere else, providing the temps outside aren't too hight. I mean the air coming out of the tent isn't so hot its making the room...

Well I didn't think hot air being blown over the top of the tent would affect the inside, since the temps outside are low I don't understand how its affecting the inside. So you're saying the only way to cool it down is to vent the hot air around the top of the tent to a window or door ?

Yep its all zipped, and yeah with the vents all tightened and velcro patch put in place the sides suck in, when i take the velcro off it drops the temps a bit but still high 80's. I cant figure out why its not sucking the 75f air from outside the tent more to be honest.

Thanks for the quick reply ! Yeah its rented, we cant be drilling no holes im afraid. Yeah the issue is stealth, at the moment its fairly hidden and just a black box, ducting on show just makes it too obvious. So you think simply because the air isn't being pushed away from the tent its...

I'm slightly confused. There is ducting inside the tent from the fan to the outside of the tent, which is right near a window that is always open. I just cant run ducting from the tent to outside the window. The temps outside the tent are low, which means the air coming out of the tent...

Hi all, I'm pretty new to this site, but already I've found it extremely helpful for learning about the basics of growing. Me and my flatmate have taken the plunge and spent around £250 on a grow tent setup, but I'm having real problems with temperatures... The setup is as follows...