fluval aquasky

My first post. I've checked the lighting review for the Aquasky, but can't find an answer to my question. Apart from a light output of 16W versus 18W, can anyone tell me of any advantage of the Aquasky 2.0 over the original? Thanks, in anticipation, KSR

Does anyone have any experience of running multiple lights front to back across an aquarium, as opposed to lengthways? I have a custom size tank currently being built, at 179cm length, 61cm depth, 70cm height (total volume 764l/202 US gallons). I've been struggling to find lights that stretch...