GreshamH said:Lumenbright users say they have a less defined edge. Lumenarcs send it straight down making harsher edges. Both are excellent. LA are the original, Lumenbright are knock offs.
tuberider said:If it were me I'd go through the top, depending of course on what your canopy situation is. The reason being that you can have your siphon breaks up real high so you have minimal back siphoning. Other wise through the back is fine if you're doing open top.