LED Lighting Question

[Angry German]

Hi Guys,
I'm getting back into the hobby after a 5 year hiatus.
So I'm going to set up a 150 gallon tank 72L x 18W
I want to get Reef Brite Lumi Lites.
Question is what length do I get the 72" or the 60"? (not sure if 72 will over hang or are they made to fit a 72)
I was going to do a set of 2 50/50 and 3 Actinic or is this overkill for 18" wide?

So far I have the stand/canopy, tank to be delivered in 4-6 weeks
Got a Platinum Trigger sump and Red Sea Skimmer.
Taking it slow so putting a lot of thought into each piece.

Thanks in advance.

 

[Ron Reefman]

The 60" should cover 72" OK IMHO.