Light Recommendations

[xabo]

Looking for recommendations as to lighting this tank: http://www.reefsolution.com/catalog/images/56995.jpg.
Tank measures 72x24x30. Have 6 Radion XR30W G4 Pros at my disposal. Should I do 2 rows of 3 lengthwise or 1 row of 6 widthwise?
Another option is the AquaticLife X18 61" T5 Hybrid w/ 3 G4s and 4 T5s. Any thoughts?
Tank will be a SPS tank. Thanks.

 

[Flippers4pups]

They should cover around 30 inches squared for the g4's, maybe a little more. 6 should cover a 6' tank easily. 6 in line, length of fixture from front of the tank to back, spaced evenly side by side.

 

[xabo]

Will the glass center brace block a lot of the light?

 

[KSUChemist]

Will the glass center brace block a lot of the light?

I can't open the website at work to see it, but I don't imagine it would block much as long as you keep it clean. I have a glass top on my cube and it seems to help diffuse the LED's, but not lose much intensity as long as I keep it clean.