Wow, that tank has so much potential. Can't wait to see it going. Just a note on the Vortechs: I had four vortechs in a 180G tank once and your flow would be amazing if you could evenly distribute them across the back wall. However, if you're considering a sand bottom then you'll find it won't be able to withstand the wicked flow the vortechs put out across thirty inches back to front. You may want to consider either a crushed coral/gravel bottom or bare bottom. I like the crushed coral bottom because it still looks natural and won't blow around like sand bottoms. One thing I loved about the vortechs isn't just the output but how much flow you noticed being sucked into the vortechs. If you had them mounted on the back wall pointing at the front wall you should get a really strong, constant, circular cycle. Your corals would love you. Good luck.
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Jason
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