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#2
02-09-2006, 10:55 PM
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reply
I'd recommend two 175 watts. Your tank isn't that deep so 150 to 175 watts will be okfor pretty much all corals IMO. At 4 feet you'll want two bulbs for sure, to achieve a good spread of light. IMO, a single bulb can do no longer than a 36" tank. Of couse if you have supplimental lighting, it changes things a bit. I've seen people use a single 250 on a 90 gallon tank, but they have 4 foot florescent bulbs added to it.
If you ever want to upgrade to a deeper tank in the future, you might consider going with higher wattage lighting, like 250-400 watts.
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THE BARQUARIUM: 55 gallon cube - 50 lbs LR - ASM G3 skimmer - 30 Gallon sump - 22 Gallon refugium / frag tank - 4x 24 watt HO T5's - Mag 9.5 return - Pin Point PH monitor - 400 watt XM 20K MH in Lumenarc reflector - Dual stage GFO/NO3 media reactor - 6 stage RODI auto top up -Wavemaster Pro running 3 Koralia 2's. Fully stocked with fish, corals and usually some fine scotch http://www.canreef.com/vbulletin/showthread.php?t=55041 
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