mbender04 Posted April 30, 2010 Share Posted April 30, 2010 Last week I was moving some corals around and found a colony of hydroids (gonna work on getting those gone asap). I think it got irritated or something though because one of my other zoanthid colonies shrank up and began to swell immediately afterward. I did a small water change and then did a large water change but half of the colony is still all upset looking. Its been about a week now and half won't come out and one or two are still swollen. Everything else in the tank is fine though. Is it possible that the hydroids did this (they aren't touching) or is it maybe something else. Should I be worried? I love this colony Quote Link to comment Share on other sites More sharing options...
mbender04 Posted May 3, 2010 Author Share Posted May 3, 2010 Anybody?? They are still so distressed Quote Link to comment Share on other sites More sharing options...
Hamp Posted May 4, 2010 Share Posted May 4, 2010 You might want to try and move them around in the tank. Mine do that every now and then, but usually open back up with time. How are your nitrates and phosphates? Any other changes in the tank? Quote Link to comment Share on other sites More sharing options...
mbender04 Posted May 4, 2010 Author Share Posted May 4, 2010 both are at zero. ill try moving them away from the area. they are the closest colony to it. Quote Link to comment Share on other sites More sharing options...
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