So confuse..

[addicted-2-Reef]

Would a radion G4 xr30 non-pro be good for a 45 gallon bow front tank.
Mostly LPS but maybe a few easy SPS
36" long and 17" deep

 

[ndrwater]

It would, but, 2 XR15's would be better.
A single XR30 has a usable spread of about 24". It would work, but you'd definitely have dark corners