If you are running the exaust dirictly through your light( the blue lines), do you still need to run an exaust out of the top? also i have 2 inline duct fans for the exaust, should i use them both on the light ( onr on the right d=side and other on the left with one pushing and other pulling going in same direction) ?? and last do i hook up my inline fans in the duct on the inside of the tent or outside?