Quote Originally Posted by HARDDON
Lights are going to raise temps...you can't avoid that.

Energy = HEAT no matter whether it's radio frequencies or light frequencies.

With those big vortex or canfans, you will need and want more than ONE passive intake. You will need and want several.
Thanks for the responses, I'll be using a 420m3/hour RVK fan and dialing it down. From experience, the 175m/hour are just too noisy working flat out consistently, I don't know how the fan will sound if I dial it down but I'm hoping it will make a difference.