sen5241b November 15, 2012 Share November 15, 2012 I've heard that some types are invasive and some types are benign or harmless. Are these a problem? Link to comment Share on other sites More sharing options...
John November 15, 2012 Share November 15, 2012 I don't find them invasive, but I do have a small patch that is preventing my sunset monti from spreading to neighboring rock...Zoas/Palys seem to grow happily amongst them: Link to comment Share on other sites More sharing options...
sen5241b November 15, 2012 Author Share November 15, 2012 If I let these go will they kill my whole tank? Link to comment Share on other sites More sharing options...
Der ABT November 15, 2012 Share November 15, 2012 i dont think they will take over the whole tank but they will spread i had to cut some off a rock to get rid of the buggers (as in cut a large chunk of the rock off. they sting anything near they so its like a dead spot if you can get rid of them i would. Link to comment Share on other sites More sharing options...
Jon Lazar November 15, 2012 Share November 15, 2012 I would get rid of them if you can without disrupting your whole tank. They are likely to spread, and will sting other corals. Link to comment Share on other sites More sharing options...
jimlin November 15, 2012 Share November 15, 2012 i had some that spread rather quickly for me. i was lucky because i did not have any corals in the tank so all i had to do was take out the rock it was on. Link to comment Share on other sites More sharing options...
zygote2k November 15, 2012 Share November 15, 2012 I have found that it's best to let them live. Their population will rise and fall like everything else in your tank. Leave it alone and don't plant corals near it. The more diversity you have on your rock, the better off your whole tank will be in the long run. I have them and think they're just as cool as any given coral. Link to comment Share on other sites More sharing options...
sen5241b November 16, 2012 Author Share November 16, 2012 i had some that spread rather quickly for me. i was lucky because i did not have any corals in the tank so all i had to do was take out the rock it was on. How long ago did you take the rock out and did they come back? I have found that it's best to let them live. Their population will rise and fall like everything else in your tank. Leave it alone and don't plant corals near it. The more diversity you have on your rock, the better off your whole tank will be in the long run. I have them and think they're just as cool as any given coral. This is fine assuming they don't spread to the extent they starting killing other life in your tank. BTW, I tried something new: covered them with AptasiaX then covered that with thick kalk paste. Also, I've tried a blowtorch in the past and IF and only IF you apply enough heat to them will they die. The reason the CHs are so difficult to kill is that they can retract deep into the rock. I have blow torched them and they survived -with singed heads but they did survive. If you blow torch them, then you really need to burn them till the rock turns black. Where I did that (6 months ago) they never grew back. Link to comment Share on other sites More sharing options...
sen5241b November 16, 2012 Author Share November 16, 2012 Important: Whatever way you decide to kill them (heat, dremel the rock, chemical warfare, ...) it is important that you completely kill them on the first try. If taking the rock out, rinse it with tank water before putting it back in. I read somewhere that if you just rip the heads off them (and I've done this with the blow torch) then it will release the planula causing them to only spread even more. Link to comment Share on other sites More sharing options...
Dan November 16, 2012 Share November 16, 2012 i got most of mine with a propane torch, no problem. as noted above, cook it for a while with the flame. i have two very small sections left, going to just cover them up with super glue or something this weekend and hope it finishes them off. Link to comment Share on other sites More sharing options...
jimlin November 16, 2012 Share November 16, 2012 i took the rock out, covered it in kalk and was left outside for several months now. still have not got around to putting it back in the tank yet. Link to comment Share on other sites More sharing options...
sen5241b November 18, 2012 Author Share November 18, 2012 I recently pulled a piece of hardened kalk off of some CHs that I covered 4 months earlier. The CHs appeared just the way they were when I covered them. Where I can't remove the rock. going to try multi-modal treatment. (Baste with scalding water then ApatsiaX then kalk then maybe glue, etc ...) Link to comment Share on other sites More sharing options...
newtoreef November 18, 2012 Share November 18, 2012 i got rid of my rock. It was spreading like crazy... Link to comment Share on other sites More sharing options...
zygote2k November 18, 2012 Share November 18, 2012 FWIW, I went to another WAMAS members' house and noticed that he had 2 patches of these about the size of a quarter. They appeared to be doing fine and looked to be living harmoniously with the corals close by. Link to comment Share on other sites More sharing options...
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