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Nicole - He is trying to get the light for his new 75 gallon tank.
Like Nicole said, it depends on what you want to keep in the tank.
You will obviously have a very bright spot in the center where the light from the two MH bulbs overlaps and a lot darker ends. If you don't mind the look, you can keep a variety of corals appropriately placed in each zone depending on their light requirement. Your tank can be quite interesting, that way.
If you center the light fixture over your tank, I am sure that your fixture would not look out of place, although a 48" fixture may give you a bit more cleaner/finished look.
With that said, $150 difference is not huge especially when you can do it right the first time, if you know what I mean. There are a few things that I would not skimp on. The light is one of them.
Tomoko
Last edited by Tomoko Schum; 12/23/2007 at 10:37 AM.
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