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02/11/2008, 05:22 PM
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#1 |
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Registered Member
Join Date: Dec 2007
Location: Ohio
Posts: 138
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75g n MH
Would it be to much light to have 2 400watt MHs over a 75g. help
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02/11/2008, 05:25 PM
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#2 |
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Moved On
Join Date: May 2005
Location: NW Iowa
Posts: 8,669
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thats what I have no prob.s here what corals do you want to keep?
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02/11/2008, 05:33 PM
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#3 |
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RC Mod
 Join Date: Mar 2002
Location: Mountain View, CA, USA
Posts: 88,616
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 To Reef Central I would use two 175 W or 250 W bulbs. The 400 W bulbs are overkill, will generate more heat, and you might need to raise them well above the tank to control brightness.
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Jonathan Bertoni |
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02/11/2008, 05:53 PM
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#4 |
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Registered Member
Join Date: Nov 2005
Location: Granada Hills
Posts: 4,376
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depends on how deep the tank is.....2 250's on a long tank ...or 1 400w over a tall tank would work IMO....
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02/11/2008, 06:41 PM
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#5 |
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Registered Member
Join Date: Feb 2007
Location: Portland, Oregon, USA
Posts: 840
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I wouldn't go with the 400's unless you plan to keep ONLY corals that need extremely high light. 2x 250w would be perfect for your tank. Also, as stated before heat is an issue.
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We are the music makers, and we are the dreamers of dreams. Current Tank Info: 30x30 cube under construction! |
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