kpac,
you get any evap off the light ducting with teh cold air from out side and the warm air inside around the ducting causing the ducting to sweat like crazy and dripping right on your palnts causing light burns on you palnts, i am have bigg problems with this non insulated ducting temps outside around 25*f gallons seems like dripping off my ducting and palnts are burning all over wtf do i do.