barderer Posted July 12, 2007 Share Posted July 12, 2007 I was wondering if anyone has any ideas about this. The other day a I did a water change (10%) and within a day all of my Anthelia is dead. All other coral appears to be unaffected. What could cause such a hardy coral to just die like that? I ran the slew of tests and everything in the tank is within normal parameters. I have recently been dosing with that two part calcium supplement and I change sea salt from instant ocean to oceanic salt. Thanks Nick Quote Link to comment Share on other sites More sharing options...
Willow Posted July 12, 2007 Share Posted July 12, 2007 when you mixed up the water for the water change... how long did you let it sit before using it?... Quote Link to comment Share on other sites More sharing options...
irishtexan Posted July 12, 2007 Share Posted July 12, 2007 (edited) I dont think that when he mixed the water makes any difference. I have always mixed my water right before using it and I have never had a problem. I have heard of this happening with xenia where people lose all of their xenia for no reason. Edited July 12, 2007 by irishtexan Quote Link to comment Share on other sites More sharing options...
GKarshens Posted July 12, 2007 Share Posted July 12, 2007 Actually unmixed salt could be a problem. It can cause coral burn. Not saying that was the cause here but it is something that should be done. Quote Link to comment Share on other sites More sharing options...
barderer Posted July 12, 2007 Author Share Posted July 12, 2007 I let it sit for a day before adding it to the tank. And it was only 10%. BTW it looks like Xenia is suffering too but not dead. I have like 10 other types of coral in there and they are doing on. Its freaken me out. Maybe I added too much trace elements and the Xenia and Anthelia are the most sensitive to it?? Quote Link to comment Share on other sites More sharing options...
cmanning Posted July 12, 2007 Share Posted July 12, 2007 How about iodine? Have you been dosing your tank iodine? I've heard that xenia needs iodine, although I don't know how much, maybe if you could find a decent iodine test kit, that might help. Quote Link to comment Share on other sites More sharing options...
Willow Posted July 12, 2007 Share Posted July 12, 2007 I let it sit for a day before adding it to the tank. And it was only 10%. BTW it looks like Xenia is suffering too but not dead. I have like 10 other types of coral in there and they are doing on. Its freaken me out. Maybe I added too much trace elements and the Xenia and Anthelia are the most sensitive to it?? ok.. what is your PH & your DKH? xenia starts to suffer when the PH drops below 8.3 & starts to melt when the dkh drops below 7... Quote Link to comment Share on other sites More sharing options...
Headless_donkey Posted July 14, 2007 Share Posted July 14, 2007 The exact same thing just happened to us. When I figure it out I will let you know. I am off to test the water. Quote Link to comment Share on other sites More sharing options...
barderer Posted July 15, 2007 Author Share Posted July 15, 2007 Well all Xenia and Anthelina is dead. The PO3- levels where pretty high so that may have been the reason but I don't know for sure. I did a massive water change and am monitoring things like a hawk now. I think it was just a water quality problem. Oh well, I wanted to free up some room for some other coral anyway Quote Link to comment Share on other sites More sharing options...
Headless_donkey Posted July 15, 2007 Share Posted July 15, 2007 I think a hydriod treatment killed our anthilla. Very day it looks a little worse. Quote Link to comment Share on other sites More sharing options...
Enigma13 Posted July 23, 2007 Share Posted July 23, 2007 I had a massive, but not total anthelia die off about a year ago. Never determined the cause. The survivors have grown back to twice the amount originally in the tank. If you want anymore to replace your loss just let me know. I have plenty to give. Quote Link to comment Share on other sites More sharing options...
xcreonx Posted July 23, 2007 Share Posted July 23, 2007 Barderer, When you let the new saltwater sit do you aerate it with an airstone? Or does it just sit? You NEED to aerate new saltwater especially if you use RODI water. If you pour it into the tank it will wreck the ph and dissolved oxygen will drop. This could very easily kill anthelia or any coral for that matter. Quote Link to comment Share on other sites More sharing options...
barderer Posted July 25, 2007 Author Share Posted July 25, 2007 hmm good thoughts but it was only a 10% water change. I don't think I aerated it though...I def do now Quote Link to comment Share on other sites More sharing options...
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