They are hardy, but sometimes they seem more sensitive to certain things. When I treated my tank for cyano, my xenia died in a HURRY. All the other corals were fine. Some people think they show symptoms of bad health when something is amok....
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~Drew
10G Nano * 10G Sump * Deltec MCE 600 Skimmer * JBL Viper 150w MH * Zeovit * Vortech MP40W
Millions long for immortality who do not know what to do with themselves on a rainy Sunday afternoon. ~S. Ertz
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