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Old 12/22/2006, 08:34 AM   #1
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Join Date: Aug 2004
Location: nashville
Posts: 416
MH bulb positioning

I upgrading to a 130 AGA tank (72"x25"x18") and don't know if I should run two or three 250W MH. The tank have a cross brace about two inches wide. If I was to run three bulbs (SE) how would I position the center bulb without having the brace blocking the light? Tank is mostly SPS and the rockwork is open in the middle of the tank. I just don't know how it would look darker in the middle.


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Old 12/22/2006, 10:54 PM   #2
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Join Date: Mar 2002
Location: Mountain View, CA, USA
Posts: 88,616
Tough situation. I'd probably run two 400 W bulbs, and raise them up a bit, with a good reflector, if possible. Is the tank 18" deep, top to bottom? If so, 250 W might be fine.

Jonathan Bertoni
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