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Old 09-23-2013, 09:26 PM   #1
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Trouble With Green Star Polyp

We have one of these guys in our tank. It's been there about a month and has done well. Yesterday, it didn't really come out and today only a very few polyps came out. These are the things I have done that are potential reasons:

I added 2 zoa frags. I've heard they can release chemicals that bother other corals. I also added some Alkalin 8.3-P. Not a lot. It was dissolved in a cup of tank water and added to the sump. Our frogspawn and candy cane corals are fine and the zoas look great. Any thoughts?
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Old 09-23-2013, 09:41 PM   #2
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What are your nitrates at? Green Star polyps are a pretty resilient coral and are a good indicator of high nitrates if they are not coming out. I'd give it more than 2 days to come back out, in due time it should come back out.
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Old 09-23-2013, 09:46 PM   #3
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I was having the same problem a few days ago. I added some all buffer and they started coming out almost immediately.
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Old 09-23-2013, 09:50 PM   #4
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Quote:
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What are your nitrates at? Green Star polyps are a pretty resilient coral and are a good indicator of high nitrates if they are not coming out. I'd give it more than 2 days to come back out, in due time it should come back out.
My nitrates are very low. I just checked them yesterday and they were close to 5 ppm according to the API kit.
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Old 09-23-2013, 09:55 PM   #5
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Hmm, I'd just leave it be for the next couple of days and see if it comes back out. IMO it is pretty indestructible.
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Old 09-23-2013, 10:03 PM   #6
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Mine have done that before, come to find out it was an emerald crab picking at them. Could be a number of things like stated above.
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Old 09-23-2013, 10:14 PM   #7
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Mine have done that before, come to find out it was an emerald crab picking at them. Could be a number of things like stated above.
I don't have an emerald crab, but I did notice my hermits seemed to antagonize my zoas when I first added them. That seems to have gotten better.
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Old 09-23-2013, 10:23 PM   #8
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Is it getting enough flow?
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Old 09-23-2013, 10:30 PM   #9
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Is it getting enough flow?
I think so. It hasn't been a problem before
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Old 09-23-2013, 10:46 PM   #10
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Anything else looking down?
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