Duncan coral not opening

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demetri

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For some reason my duncan has stopped opening up the past couple of days. before it used to open up fine. sometimes I notice a bit of brown stuff coming out of its mouth but im sure its just poop.

salinity 1.025
kh 7.5
ca 420
mg 1420
ph 0.03
n 0.2

perameters have all been pretty constant. it just all of a sudden stopped being happy.

I have a video from when it was doing well vs now

 
Are you sure its not getting stung by that frogspawn? My frogspawn is evil and kills other corals it can reach
 
Firstly it’s a hammer^ but yeah even when the hammer is fully puffed out it doesn’t reach my Duncan
 
Do you have photos? Videos aren't loading on my end
 
Do you have photos? Videos aren't loading on my end
I find reef2reef doesnt show photos or vids on mobile sometimes. if you log into a computer u should be able to take a look
 
Not sure if this is helpful to you or not, but I had a duncan once that stopped opening for like a month for no apparent reason. Then one day, poof, started opening and was happy. Never was able to figure out what the issue was, or if there was one at all...
 
Not sure if this is helpful to you or not, but I had a duncan once that stopped opening for like a month for no apparent reason. Then one day, poof, started opening and was happy. Never was able to figure out what the issue was, or if there was one at all...
thats what im hoping. everything else is happy w no issues. so maybe its just moody
 

IF YOU HAD TO OPERATE EVERYTHING ELSE MANUALLY, WHICH AUTOMATED SYSTEM WOULD YOU KEEP?

  • Auto top-off

    Votes: 45 57.7%
  • Automated dosing

    Votes: 5 6.4%
  • Mechanical filtration / roller filter

    Votes: 4 5.1%
  • Automated water testing

    Votes: 3 3.8%
  • Automatic feeding

    Votes: 1 1.3%
  • Lighting schedule

    Votes: 13 16.7%
  • Controller and remote monitoring

    Votes: 3 3.8%
  • Leak detection and emergency shutoff

    Votes: 1 1.3%
  • Automatic water changes

    Votes: 2 2.6%
  • None. I prefer to operate everything manually

    Votes: 0 0.0%
  • Something else (explain in the comments)

    Votes: 1 1.3%
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