I have assembled the tank. used a 15 gallon tank, and inserted a divider with overflow to yiel a 10 gallon display, with a 5 gallon section for refugium and return.
I want to have the display and refugium on opposing light cycles so a custom light fixture was necessary.
I plan on 4 x 36 Watt compact florescents over the display (2x 10,000K, 2x Actinic), and have yet to decide on the refugium lighting (probably 4x 13 Watt 6500K PL)
I started with a frame out of scraps of aluminum ( I did have to buy 1 piece for $5) assembled with pop rivets.
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The reflector is a piece of aluminum for duct repair that I polished and bent to shape (free)
before polishing...
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after polishing, bent to shape and installed...
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the cover that I am still*working on is construction aluminum flashing that I have cut and bent to shape.(free)
still testing fit and shape...
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the lense for the lamps is high quality scratch resistant polycarbonate, with some acrylic for the lense frame (acrylic and polycarbonate $30)
2 ballasts - 1 for daylights, 1 for actinics ($40 each)
4x 4 pin end caps for the bulbs ($2.50 each)
expected cost of hardware for the rfugium light - including bulbs - $50
I'll post more pics when I finish the cover and 'fuge light, and get it all painted.
Wish me luck!