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Old 12-04-2014, 04:53 PM   #1
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Light good for 20 long reef?

Been thinking about setting up a 20 long reef tank. Would def. like to do led without spending a fortune. Would one of these work well on a 20 long? Would it cover the whole length of the tank? How high would I want to mount above the water line? And sure I would want to run it dimmed quite a bit right? So many questions! Thank in advance!

http://www.amazon.com/gp/aw/d/B00FRT...110_SY165_QL70
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Old 12-04-2014, 05:14 PM   #2
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One of those will be fine. You can find them cheaper on ebay (like 80$ shipped i believe)
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Old 12-04-2014, 06:53 PM   #3
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One of those will be fine. You can find them cheaper on ebay (like 80$ shipped i believe)
Ok thanks. Any idea how high above the water I would want it?
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Old 12-04-2014, 08:05 PM   #4
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About 12 to 18 inches


5 gallon Betta Tank
In Progress 20L Reef
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Old 12-04-2014, 09:47 PM   #5
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You'll want to turn that fixture way down. It's plenty to reach the bottom of a 30" tank.
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Old 12-04-2014, 10:55 PM   #6
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And what Mr X said


5 gallon Betta Tank
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Old 12-05-2014, 05:23 PM   #7
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You'll want to turn that fixture way down. It's plenty to reach the bottom of a 30" tank.
That is really my only concern. Even turned way down will it be too bright? Would there be a better alternative while staying with led? This would be my first salt water tank. I know I want corals but will be starting with some of the easier ones but I want to keep my options open for down the road if ever want some harder to keep sps or something. I don't want to have to upgrade lighting at a later point.
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Old 12-05-2014, 05:25 PM   #8
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Originally Posted by Paxdaddy View Post
That is really my only concern. Even turned way down will it be too bright? Would there be a better alternative while staying with led? This would be my first salt water tank. I know I want corals but will be starting with some of the easier ones but I want to keep my options open for down the road if ever want some harder to keep sps or something. I don't want to have to upgrade lighting at a later point.
You'll have no trouble turning them down enough.
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Old 12-05-2014, 07:41 PM   #9
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The fixture you chose will work fine for you.
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