Tank and stand look great man.......I agree with Kevin......I would seriously consider re-vamping the drain plumbing.....having the primary and emergency plumbed into one defeats the purpose of the emergency.....if anything gets stuck where you have the drain reduced(after the emergency) your tank will flood

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260g mixed reef, 105g sump, water blaster 7000 return, Bubble King SM 300 skimmer, Aqua Controller Jr, 4 radions, 3 Tunze 6055s,1 tunze 6065, 2 Vortech MP40s, Vortech MP20, Tunze ATO, GHL SA2 doser, 2 TLF reactors (1 carbon, 1 rowa).
http://www.canreef.com/vbulletin/showthread.php?t=50034 . Tank Video here
http://www.vimeo.com/2304609 and here
http://www.vimeo.com/16591694