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Do you think I'll have heat issues running a 315w CMH in a 3x3 with a 4" Stealth exhaust fan (189 CFM rating) pulling thru a carbon filter? Right now I'm using a speed control unit on my fan, and have the speed dialled to its lowest setting. I run a space heater to keep my tent at 78 (current...

Thanks bud - good call.

Haha - thanks man. This is light 3 for me tho. First root farm led was an uneducated mistake. Second light was a 1000 watt blurple that only drew 160. Just want to make sure. But the cmh is proven, and an Alibaba DIY project may be another gamble I suppose.

Apalachen - Did you end up selling your QBs? I just ordered a 315 CMH set up because its been well documented to cover a 3x3 footprint with great results... Light arrived, but now I'm reluctant to open it - I can do an Alibaba DIY QB build with 2 288 boards for roughly the same cost. Wondering...

Thanks Coreywebster. The 288s are from Meijur (Alibaba product).

Looking for light advice in a 3x3 tent.. moving on from my trusty blurple... CMH: - 315w CMH (Armour Series Ballist / Reflector) - vertical bulb - Philips 3100 or... Quantum Board DIY project: - Two 288V2 boards (252pcs top bin lm301B and 36pcs epistar 660nm) - Two separate heatsinks...