Duncan help

Did you test the water in the bag from the lfs? To see what parameters the Duncan was living in. It's possible that your parameters are way different from the lfs were you got it and it just needs time to adjust from shock with the different water. Just another thought. Also you made sure nothing is bothering in the tank.
 
I have mine almost as high as my tank can go. They weren't happy at sandbed level. They get a fair amt of flow, not enough to totally buff them, also not a steady. I have two wavemakers that pulse on either side of tank. I've had this one less than a month, have a new head already and it is very happy. I have T5 lighting about 12 inches. My nitrates are high-20-40 range that I'm working to get down to 5 with nopox. The duncan is actually a bit higher now that I've epoxy'd it down--behind the rock iwth the gps so it can be king of the mountain. Maybe trying moving one up a bit higher and in some good flow

20170410_105302_resized_1.jpg
 
I have mine almost as high as my tank can go. They weren't happy at sandbed level. They get a fair amt of flow, not enough to totally buff them, also not a steady. I have two wavemakers that pulse on either side of tank. I've had this one less than a month, have a new head already and it is very happy. I have T5 lighting about 12 inches. My nitrates are high-20-40 range that I'm working to get down to 5 with nopox. The duncan is actually a bit higher now that I've epoxy'd it down--behind the rock iwth the gps so it can be king of the mountain. Maybe trying moving one up a bit higher and in some good flow

20170410_105302_resized_1.jpg
I have mine in sand with mid to low flow and looking great started with 3 heads a months ago and already growing 2 new head. I feed once every 2-3 days alittle piece of krill
 
Guess each coral is an individual! Even the lfs guy said they usually like to be lower (I take a printed pic of my tank w hen I go to the lfs so I can plan where things go)
 
Did you test the water in the bag from the lfs? To see what parameters the Duncan was living in. It's possible that your parameters are way different from the lfs were you got it and it just needs time to adjust from shock with the different water. Just another thought. Also you made sure nothing is bothering in the tank.

I didn't. It looked great for about a week or so then just closed up one day and been like in pics. Just have 3 fish in there and don't think they are bothering it.
 
I have mine almost as high as my tank can go. They weren't happy at sandbed level. They get a fair amt of flow, not enough to totally buff them, also not a steady. I have two wavemakers that pulse on either side of tank. I've had this one less than a month, have a new head already and it is very happy. I have T5 lighting about 12 inches. My nitrates are high-20-40 range that I'm working to get down to 5 with nopox. The duncan is actually a bit higher now that I've epoxy'd it down--behind the rock iwth the gps so it can be king of the mountain. Maybe trying moving one up a bit higher and in some good flow

20170410_105302_resized_1.jpg

Yeah I thought about moving it up but wanted to just leave it along. Thought maybe moving to much would just tick it off more.
 

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