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Originally Posted by DKoKoMan
May just be green hair algae growing in the skeleton due to the increase in nitrates and phosphates.
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I don't think it's hair algae. It looks different than the hair algae I have had previously. Also parts of it glow bright/fluorescent green under the blue lights. I have not seen any of the hair algae I have had in my tank do that before. Is there a kind that does?
Quote:
Originally Posted by zhasan
That's possible. It happened to a hammer I purchased few years back. It was fine then it died for no reason and I dumped the left over stem in the sump. 6 months later polyps started sprouting from the sides of it.
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Cool. that is about the same timeline I am on. And the possible new growth is beside the dead skeleton. I guess I will find out what it is when it grows.
The hammer coral that survived is green the one that died was purple tipped. So it should be easy to see if it's regrowing or just the green one that traveled.