Coral help please!

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emsilkina

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I got an SPS coral last week and it was perfectly fine for the first few days but has started acting really odd recently. I am not sure what kind of coral it is but could someone please help me identify it and tell me what's wrong with it?
It looks like there is stuff hanging out of the holes in the middles and it is more closed up.

Screenshot 2021-02-18 at 7.54.08 AM.png
 
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emsilkina

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That looks like a Duncan that is not doing so hot. Not an SPS though
really? I searched up the Duncan coral and it had long tentacles coming out but this one never had long tentacles, even at the LFS. Also the guy who was assisting me at the store told me its an SPS
 

Topekoms

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really? I searched up the Duncan coral and it had long tentacles coming out but this one never had long tentacles, even at the LFS. Also the guy who was assisting me at the store told me its an SPS
Lfs guy didn't know what he was talking about. Definitely a duncan
 
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Gtinnel

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I agree that it looks like a unhappy duncan. Without more information about your tank (ie parameters) it would be very hard for anyone to help figure out why it is unhappy.

Many if not most lfs employees don't know very much about what they sale.
 
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Rmckoy

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Lps ..

If your lfs told you it was a sps I’d suggest finding a better place to buy corals

moving forward . If you’re able to test the parameters

salinity , alk , cal , temp , nitrates , phosphates ,

what lighting , how long has the tank been running ?
 
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emsilkina

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100% Duncan
Lps ..

If your lfs told you it was a sps I’d suggest finding a better place to buy corals

moving forward . If you’re able to test the parameters

salinity , alk , cal , temp , nitrates , phosphates ,

what lighting , how long has the tank been running ?
I tested the cal and it turned out to be too high (like 550 but I might have made a mistake). My salinity is at 1.023. The tank is about 2 months old. I use blue led lights (they're not really professional, so would you recommend getting professional lighting?)
 
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ReefdudeAdam

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I tested the cal and it turned out to be too high (like 550 but I might have made a mistake). My salinity is at 1.023. The tank is about 2 months old. I use blue led lights (they're not really professional, so would you recommend getting professional lighting?)
There is so much to take away from this..

Very difficult to find somewhere to start.

how did your tank cycle? Live rock? What are you using to test with? Thinking you may have got it wrong should have prompted you to test again. Without knowing your params it’s difficult to know if your tank is suitable..
what else is in your tank? Other corals doing well?

I second finding a different LFS..
 

Gtinnel

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My caclium is higher than 500 can that be a problem?
That is high but I don't believe that is going to be the problem, mine often runs around 500 or slightly over. When it comes to stoney corals alkalinity is one of the more important parameters. Do you happen to know what you alkalinity is?
 
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emsilkina

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That is high but I don't believe that is going to be the problem, mine often runs around 500 or slightly over. When it comes to stoney corals alkalinity is one of the more important parameters. Do you happen to know what you alkalinity is?
Yes but I don't have a test kit for it yet. Should I get one and test for alkalinity?
 
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emsilkina

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There is so much to take away from this..

Very difficult to find somewhere to start.

how did your tank cycle? Live rock? What are you using to test with? Thinking you may have got it wrong should have prompted you to test again. Without knowing your params it’s difficult to know if your tank is suitable..
what else is in your tank? Other corals doing well?

I second finding a different LFS..
I tested again and my calcium is 480. I have two pieces of live rock and a few other corals (I have a leather and a hammer and they seem to be fine)
 
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