I had totally forgot to update my new return lol. Gicen the tight quarters under the stand I opted to place the check valve on the vertical behind the tank. Its not what I w poo uld have wanted ideally but I think it turned out ok for being external 
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Build http://www.reefcentral.com/forums/showthread.php?t=2638892
Parameters: Temp 77-79degF, Specific Gravity 1.023-1.024, PH 8.1-8.4, Alk 8-12, Ammonia 0, Nitrite 0, Nitrate 0, Phosphate <.2, Calc 3
Current Tank Info: Custom Oak Stand | 75G FO Display | 40G Breeder Sump | MarinePure Ceramic Media Plate | Eshopps x-120 skimmer | Mag9 Return | Aqua Ultraviolet Advantage 2000+ 15w
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