Sick Bubble coral

adamsfour

Member
I have a bubble coral. He has been in the tank for many years and always has done great until recently. For the last couple of weeks he has not open up hardly at all. All of my other Corals are doing great and I see no evidence of anyone bother him. My parameters have not changed and as a pre-caution I just changed/cleaned all of my filters. The only theory I have is something caused him to get stressed and he has not recovered. Any ideas on something to try.
 

N83259

Member
Are any aggressive corals nearby? Perhaps they are stinging it. Also, bubble coral is sensitive to declining calcium and alk levels. Have you checked those values lately? And if those two are being exhausted, it's possible mag and iodine are on the decline too.

Supposedly, high flow irritates them - moderate flow is usually recommended. I have been keeping one for only 4 months, and this info is a compilation of what I've read. Good luck with it!
 
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