RMS Track Help

[reefertank]

So I have 72 inch tank. I want to hang 3 xr30 on track. How long of track should I get?

 

[reefertank]

So I have 72 inch tank. I want to hang 3 xr30 on track. How long of track should I get?

Want to look like this

 

[reefertank]

Want to look like this

Forgive the messy pic but does this look right 36 inch. So the 40 rms bar would work right? I just don't want any bar hanging over if possible.

 

[mfinn]

For good spacing I would use the 50" RMS rail.