Input on adding a 3rd led to existing t5/led hybrid

[realreef7]

Currently running a 2x smat farm leds in the center with 4x t5s over a reefer 350. Growth on sps is great but looking to add a 3rd led unit in the center of the two smat farms.
I'm currently looking at either adding a 3rd smat farm in the center or using an old G4 xr15 radion in the center between the two smat farm units? Any input will be appreciated, the tank is 90% sps.

 

[blaxsun]

You'll probably be fine either way - sounds like you have a solid setup already.

 

[davidcalgary29]

Pics, please. I'd really like to get a look at your setup.