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05/09/2010, 07:07 PM
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#1 |
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Registered Member
Join Date: Dec 2004
Location: Philadelphia, PA
Posts: 71
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lighting questioins
Hey guys,
I have a 65 gallon (3ft wide) display tank. I have a 250 watt metal halide bulb, but just inherited a 400 watt bulb and ballast. My questions are... 1. Can I use the 250 watt in the 400 watt ballast, or will it burn out quickly? 2. If I use the 400 watt bulb and ballast, how high should the bulb be from the water? Thanks, Mike |
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05/09/2010, 07:18 PM
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#2 |
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Registered Member
 
Join Date: Apr 2002
Location: Olympia. WA.
Posts: 8,648
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No, only use the same wattage bulb with the same wattage ballast.
I'd say you'd be ok at about 12" to 14", but I'd stay with a 250 watt system 65 gal.
__________________
240 gallon soft coral tank 50 gallon lps tank |
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05/09/2010, 08:43 PM
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#3 |
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Moved On
Join Date: May 2010
Posts: 11
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I think the 250W is PLENTY!!! 400 W is big time as well, just more expensive with the energy man!
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| metal halide 250 400 watt |
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