*Zoanthid coral troubles* Clear, swelling sacs surrounding polyps

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A

arlong1

AC Members
May 3, 2007
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I just purchased a frag of zoanthid corals yesterday and today they are all closed up and each polyp is surrounded by a clear, bubble-like sac that appear to be swelling. I tried a fresh water dip but the sacs are still there. I was wondering if this is just natural for recent zoanthid additions or if there's some problems going on. Thank you.

My parameters:
Ammonia 0
Nitrite 0
Nitrate 5 ppm
PH 8.1
 
D

DarthFred6996

AC Members
Mar 13, 2007
207
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What is your SG?
Zoas are hard to kill really. So I would expect a recovery. If you can post a pic it might be helpful.
 
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arlong1

AC Members
May 3, 2007
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This is the best picture I can get. The clear-like sac is surrounding the green zoa polyp. My SG is 1.024
 
Grins

Grins

Girl Reefer...we do exist
May 1, 2007
10,449
0
0
58
Charlotte, NC
When zoas close up you see the undersides of them and the head is "folded" up inside. Although I'm not used to seeing them clear perhaps that is the color of their base? It is possible that they're closed because of a pest and the worms or pods in that photo could be irrating them.
 
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