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Old 09-04-2013, 10:37 PM   #1
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Will the 20" sunpod hqi 150w be enough light for my 30 gallon rimless jbj biocube? i have lps and sps coral there is also a 120w full spectrum led i was looking at.
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Old 09-05-2013, 02:44 AM   #2
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I currently have a jbj unibody 54watt led and my corals are starting to bleach.
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Old 09-05-2013, 10:32 AM   #3
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Quote:
Originally Posted by Flowin View Post
I currently have a jbj unibody 54watt led and my corals are starting to bleach.
Could be too much light. Are they dimmable at all?
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Old 09-05-2013, 10:59 AM   #4
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Ya there dimmable but i looked it up and it says that i should have more than 54 watts.
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Old 09-05-2013, 11:22 AM   #5
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If they are bleaching, that means they are getting a lil too much light, try dialing it back a lil bit. Also its hard to judge leds by wattage in comparison to other forms of lighting. Their efficency is higher then others therefore it throws some old calculations and guidelines out
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Old 09-05-2013, 02:21 PM   #6
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Oh alright the 54 watts are fine just dim it down a little?
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Old 09-05-2013, 03:21 PM   #7
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Yes. Try 50%. If they continue to bleach after a day or two go down to 25%.
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Old 09-05-2013, 03:27 PM   #8
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Also, you may want to turn the whites down lower than blues.

And after having them dimmed for a while and corals start to turn brown you can turn the lights back up. But just a few degrees a week.
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Old 09-05-2013, 03:52 PM   #9
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From what i understand, leds usually have hogher penetration power than other light sources. So you dont need as much power to keep your coral happy
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Old 09-05-2013, 05:07 PM   #10
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Alright thanks i was pretty confused haha i will post some pictures after work of the corals and light.
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