I'd probably go with a big (100+ gallon) rubbermade stock tank as a sump, with about a foot or two of aragonite. Depending on your taste you could put a whole bunch of liverock in there, or a really nice seagrass lagoon (would be great for nitrate reduction) or even mangroves. I'd then go with a big ol Deltec or Euro-reef skimmer.
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Just "Red"
(Paulhus is my lastname  )
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