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Old 09-05-2013, 11:59 PM   #1
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I was just wondering if two of these lights would be good enough for a 20 gallon reef tank?

http://www.amazon.com/Zoo-Med-Actini...s=coral+sun+t5

This is the fixture that they will be going in

Aquatic Life Light T5 HO 2-Lamp Link Fresh Aquarium Light, 24-Inch
by Aquatic Life

Just got a 20 gallon tank for cheap and am ready to put the money and effort in to making a nano reef

Edit: totally forgot about the dimensions. 24"Lx14"Wx16 3/4" tall
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Old 09-06-2013, 12:23 AM   #2
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I actually just upgraded from a dual t5ho fixture over my 20g tank. The light was strong enough to grow some leathers, zoanthids, some softies, and mushrooms but nothing else. If you are going to invest in a light I would suggest a 120w led light from ebay. That's what I'm currently using over my 20 and couldn't be happier with it. My coral growth has exploded since increasing the light level.
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Old 09-06-2013, 12:32 AM   #3
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Is this what you have or something like it?

TaoTronics® 120w Dimmable Led Aquarium Lights Aquarium Hoods Led Reef Light for Coral Fish Seaweed TT-AL09(3w/Led, Blue/White Ratio- 28:27; Two-Year Warranty)
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Old 09-06-2013, 01:37 AM   #4
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Yep, that will work just fine. I don't have the taotronics but they are pretty much the same fixture. This is the same unit I am using.

New Dimmable 120W Aquarium Coral Reef Fish Tank White Blue LED Light White US | eBay
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Old 09-06-2013, 09:11 AM   #5
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Wow, the price on those has dropped a lot...
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20 gallon nano-reef torn down to make way for the 40B Reef (original thread and current update).
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Old 09-06-2013, 09:33 AM   #6
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Mhmm. Sweat shop labor has its uses
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Old 09-06-2013, 09:34 AM   #7
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I was leaning more towards economies of scale...but yes...
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20 gallon nano-reef torn down to make way for the 40B Reef (original thread and current update).
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