Like the title says, pretty sad day for me. I had to remove a dying Acropora colony that I grew from a small fragment that I recieved in a trade with a fellow hobbyist. Sadly, he lost his large colony shortly after the trade and I were able to provide him with replacement after my fragment became a colony. I just hope I can get a replacement from a few guys that I gave frags to.
I'll post some pictures so you can see why I had to remove it. In my opinion it wasn't a RTN but rather a SDR( shut down reaction). It started sometimes last week and eventhough I did frag the colony to open it up some to provide more flow to it, the reaction continued and today I decided to remove it from the tank. I took some cuttings but I'm not hopefull that they will live for long. I believe this reaction is not reverseable and the entire colony is affected. Something to do with genetics of the cells, IIRC.
Anyways, RIP A.millepora.
PS. I think I should correct what I had said about it being SDR and not RTN. The two deseases are very similar in appearance and at this point I don't know what exactly happened to this coral.
Shutdown reaction is a rapid process, much like RTN, so the fact that this colony was dying clowly negates what I was thinking...![]()



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