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Old 02/28/2018, 11:12 AM   #1
Supasalty
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Join Date: Jun 2010
Location: Charlotte, NC
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Duncan question

I have started up a new tank (60 gallon cube) and have purchased a few corals. I have a duncan and it seems to be doing ok but it only opens fully at night. I have a black box led, the duncan is about mid-height in the tank. The water parameters are fine. Is it to much light on the duncan not making it open fully during the day?


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Old 02/28/2018, 11:36 AM   #2
kinggeorge818
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Is your light on at 100%, Duncans like very little light


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675 gallon Display, 1,100+ total system volume, 6 x Vortec MP60s, 2 x Vortec MP40s, 15 x Radion Pros, APEX, XP 8000 ext Octopus skimmer, Bubble Magus Dosing 4 part, 2 x Monster sized custom reactors,

Current Tank Info: 675 gallon tank, 220 gallon vat, 200 gallon sump, 60 gallon refugium
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Old 02/28/2018, 11:56 AM   #3
Supasalty
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Yes it is an older LED that I am planning on replacing soon. It does not have an adjustable output. I guess I should move it lower or to a shadier spot.


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Old 02/28/2018, 12:14 PM   #4
kinggeorge818
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Or turn down the intensity


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675 gallon Display, 1,100+ total system volume, 6 x Vortec MP60s, 2 x Vortec MP40s, 15 x Radion Pros, APEX, XP 8000 ext Octopus skimmer, Bubble Magus Dosing 4 part, 2 x Monster sized custom reactors,

Current Tank Info: 675 gallon tank, 220 gallon vat, 200 gallon sump, 60 gallon refugium
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Old 03/09/2018, 01:50 PM   #5
oceanfan913
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My duncan did not like high light either so I ended up decreasing the percent as well and it responded well.


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Old 03/09/2018, 02:49 PM   #6
Knuckledragger
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You could also move the light up. Sounds like too much light.


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