Postal thieves! Anyway, I think that the best light to have for a tank like that is T5HO. It really emits a lot of light, and is cheaper than metal halide. The Glo light is really good for this. And of course, having a cover that isn't absolutely covered with mineral deposits helps too. I simply removed the five year old glass cover from my 46 gallon tank, and the tank was two to three times brighter.
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