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Old 11-21-2005, 07:12 PM   #1
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Lighting question

Hey, I was looking into lights since I am getting coral soon. I was looking at the T5-HO fixutes like this http://www.drsfostersmith.com/Produc...&N=2004+113175 I also saw the Metal Halide Fixtures and want one but they are way too much. Here is my question...which lighting is best for my 50 gallon: compact flourecent, T5-HO flourecent, or Metal Halide? Give some links to some good, but not exspensive lighting if posible. Is the link I gave above good for my tank (48 in.-216 watts)? Thanks!
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Old 11-21-2005, 07:25 PM   #2
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The wattage on MH lights are insane. If you want one with low upkeep costs, go CF. CF vary from 26-55watt and still put out a very nice amount of light. The fixtures may cost a lot, but the bulbs are $5-10 and last around 12-14 months from what I gather.

Much cheaper in the long run, and put out a lot of light.
http://www.thatpetplace.com/Products.../Itemdy00.aspx I'm personally going with one of those. I've not chosen whether to do a 10,000k light or a 50/50 light yet.
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Old 11-21-2005, 08:30 PM   #3
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So these are brighter than T5-HO's? I mean, I will spend what it takes to get a good light for my corals.
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Old 11-21-2005, 09:51 PM   #4
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It is best to get your daylights and actinic in a seperate bulb since the blues tend to lose effectiveness faster than daylight. Most bulbs need to be changed at about 8 to 10 months. They lose their effectiveness for coral with no visible loss to the human eyes. You'll know it's time to change when your glass starts growing algae on a daily basis, but I'd say definitely not longer than a year. Metal halide is nice, but unless you are going to go with clams or some of the more difficult stony corals, the cf's are great. 3 to 5 wpg the more the better.
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Old 11-21-2005, 10:58 PM   #5
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I agree with kat. I have CF's running on my 29 gallon tank, and it's perfect. I replace them about every 9 months or so...and they cost about $25 a piece. CF are a bit easier to buy and care for, it seems as well.
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Old 11-22-2005, 08:33 PM   #6
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Well what about the T5-Ho lighting I gave a link to above? Is that better than CF lighting? Is that fixture good for my 50 gallon? Or is this a better choice? http://www.hellolights.com/484xcoluaqde.html
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Old 11-23-2005, 08:09 AM   #7
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Anyne know?
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Old 11-23-2005, 01:41 PM   #8
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You'd have good luck with either T5 or CF. T5 is popular since you have a very high bulb density over a tank. Look into the long-term replacement costs too, since each bulb only has a useable life of 9-12 months.
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Old 11-23-2005, 06:17 PM   #9
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Well, which is brighter and better for corals?
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Old 11-24-2005, 02:53 AM   #10
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If you want to go into the "new thing in fluorescents" T-5 is the way to go. Some people like it better than CF.
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