you should have plenty of water movement. just a suggestion i would put ball valves on all the inputs because you may have to throttle that baby back some.
also i would pm mike [mojo] and have him take a look at it before you start drilling any holes, he's sharp on water movement and everything else for that matter lol.
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120 gal/in wall tank/starboard substraight/2 250 watt 10k xm metal halides/ 4 55watt 03 actinics/150lbs lr/scwd on return/scwd on a closed loop/aquaclear aquatics 200 pro wetdry w/skimmer.
ask all the questions you have if we cant answer it we'll make up some thing. remember patience is the key to a kick ass reef.
dave.
