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Old 02-05-2009, 07:01 PM   #1
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is 2x250watts metal halide too much for a 55

i found 2 250 watts metal halide for a good price but the dude said it would be too much for a 55 is this true
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Old 02-05-2009, 07:04 PM   #2
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If you plan on a SPS tank then you might be OK.
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Old 02-05-2009, 07:11 PM   #3
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If you plan on a SPS tank then you might be OK.
yes i want a sps tank but also want to keep all my other corals too but could i just put other corals in shaded areas.


but you said "might be ok" does that mean too much or maybe not enough.
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Old 02-05-2009, 07:19 PM   #4
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I`m thinking 10 watts per gallon might be rough. I`ll wait for the MH folks to answer seeing I have VHO lights.
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Old 02-05-2009, 07:55 PM   #5
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The biggest concern I see with using dual 250s on a 55 is the heat. You are going to need to make very sure that there is a lot of air flow through your canopy to keep things cool. I would also keep the bulbs at least 12" off the surface of the water. Other then that you will be fine in using them on that tank.
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Old 02-05-2009, 09:53 PM   #6
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The biggest concern I see with using dual 250s on a 55 is the heat. You are going to need to make very sure that there is a lot of air flow through your canopy to keep things cool. I would also keep the bulbs at least 12" off the surface of the water. Other then that you will be fine in using them on that tank.

what if i get the 2 175 instead would you guys prefer the 2x250 or the 2x175 but the 2x175 it 50 bucks more.
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Old 02-05-2009, 09:53 PM   #7
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Also moving this to General hardware and equipment discussion.
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Old 02-06-2009, 06:44 PM   #8
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2x250 is alot, but not excessive. You would just have to keep some corals lower in the tank. You would be just as successful with 2x175 over a 55. The $50 cost increase would be made up pretty quick in power consumption compared to the 250's.
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