Frag trough build

[tycoakley]

So im up in the air wheather not to go with an internal or external pump for my build. I have four return lines on a 120 gallon 8 foot trough. I would have to drill my sump which is a old 75 gallon tank. Any thoughts would be helpful.

 

[Jacwil]

You can just continue this thread..no need to start a new one .
http://www.reefcentral.com/forums/showthread.php?t=2156599