T5 HO vs. Metal halide

Hi, can we all debate on which light i should purchase. this light will be the host to my new wanna be reef tank. Please help me decide on which is a better choice.. thanks…

Option 1: http://buildyouraquarium.com/catalog…products_id=64

Option 2: http://shop.aquatraders.com/Odyssea-…HO-p/54231.htm

Which one will actually be a good addition on my tank. I have bow front DT 72 gallons and its about 48 in width, 21 inch deep.

Please give me some opinion on which is a better lighting system. thank you for all you’re help..

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T5 HO vs. Metal halide

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