Danny, I've used this same epoxy for months, will no ill effects. I would doubt that it's the cause, especially since your more picky corals are doing well.
It's bizarre, though. And unfortunate...those look like nice Yumas!
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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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