Duncan question

Supasalty · 02/28/2018, 11:12 AM

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?

kinggeorge818 · 02/28/2018, 11:36 AM

Is your light

on at 100%, Duncans like very little light

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Supasalty · 02/28/2018, 11:56 AM

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.

kinggeorge818 · 02/28/2018, 12:14 PM

Or turn down the intensity

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oceanfan913 · 03/09/2018, 01:50 PM

My duncan did not like high light either so I ended up decreasing the percent as well and it responded well.

Knuckledragger · 03/09/2018, 02:49 PM

You could also move the light up. Sounds like too much light.

02/28/2018, 11:12 AM	#1
Supasalty Registered Member Join Date: Jun 2010 Location: Charlotte, NC Posts: 94	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?

02/28/2018, 11:36 AM	#2
kinggeorge818 Registered Member Join Date: Mar 2011 Location: Los Angeles Posts: 642	Is your light on at 100%, Duncans like very little light Sent from my iPhone using Tapatalk Pro __________________ 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

02/28/2018, 12:14 PM	#4
kinggeorge818 Registered Member Join Date: Mar 2011 Location: Los Angeles Posts: 642	Or turn down the intensity Sent from my iPhone using Tapatalk Pro __________________ 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

02/28/2018, 11:56 AM	#3
Supasalty Registered Member Join Date: Jun 2010 Location: Charlotte, NC Posts: 94	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.

03/09/2018, 01:50 PM	#5
oceanfan913 Registered Member Join Date: Sep 2014 Posts: 55	My duncan did not like high light either so I ended up decreasing the percent as well and it responded well.

03/09/2018, 02:49 PM	#6
Knuckledragger Registered Member Join Date: Jan 2018 Location: Battle Ground, WA Posts: 14	You could also move the light up. Sounds like too much light.