Bax - Yes, I am excited to move, mostly so my daughter will have a lot of kids her age to play with.
Chrisrush - We haven't sold my current home yet, so I guess this will be my vacation home
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I was not a fan of the corner column either, mostly because it blocks 12" of the 48" side of the tank. But that still gives me 3' of viewing immediately at the glass, and when you walk up to the tank you can appreciate the full 4' depth, so it still looks pretty cool. I've actually used the column to my advantage, as one of the CL returns will be hidden by the column, and it will free up some plumbing from the tank room (see below).
fishypets - The column will remain hollow, so it is usable space. I plan to plumb the sump return pipe through that column and over the top of the tank into a manifold that will spread the return water across the surface, pushing it toward the overflow. That will help me to maintain the circular flow pattern that I illustrated at the beginning of this thread. All of that plumbing will be concealed, as I had the carpenter build the cabinets so that they drop down to just below the height of the bottom of the overflow teeth. This will also make it so that the wave from the waveboxes will not be visible at the top.
The column opens at 2 locations to provide a large pass-through to facilitate cleaning the glass. The inside of the column will have a piece of painted black wood abutting the glass so it will be 'blackened out' when viewing it from the front glass pane. This will be removable so that I can drag the magnet around the corner. Actually, maybe I should use a thin sheet of black acrylic, that way I won't have to remove it at all - what do you think?
melev - Yeah, I thought one 450g was enough for me, so I decided to go with a nano instead
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stunreefer - I am humbled by my new title, thanks!
T&N - No you don't
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gkarshens - I hope you're patient ... it'll be at least 4 months until it's even wet.