Has anyone run into Light Induced STN?

I am hoping a more experienced member sees this thread and pics.

What percentage of livestock is affected? Is it confined to a species? frags fro a single source? Cut off the deadwood and quarantine.
 
Paulip said:
I am hoping a more experienced member sees this thread and pics.

What percentage of livestock is affected? Is it confined to a species? frags fro a single source? Cut off the deadwood and quarantine.
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4%, just acros! no.

I have already cut of the infected part of the coral, I don't believe this is a parasite or infection. I do believe is is a parameter issue, but it's something beyond what I am able to test for. The only thing common among the three frags, is the base facing the light is the only dead part.
 
Paulip said:
Hope your making progress. Btw, could this be related to what's called " Alk Burn"?
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No, Alk burn is something I had a crash course in about a decade ago, I know the symptoms well. After fragging the bases, or at least what was left of them off and a thorough dip, whatever was happening seems to at least stopped for the moment. Alk has swung from about 7.5 to 9 over the 9 months the tank has been running, right now hovers between 8.5 and 9, the Elos test kit can't any closer.
 
troublemaker said:
No, Alk burn is something I had a crash course in about a decade ago, I know the symptoms well. After fragging the bases, or at least what was left of them off and a thorough dip, whatever was happening seems to at least stopped for the moment. Alk has swung from about 7.5 to 9 over the 9 months the tank has been running, right now hovers between 8.5 and 9, the Elos test kit can't any closer.
Click to expand...

I am not a seasoned reefkeeper. Is 7.5 to 9 over 9 months a lot? I can get that inside of a week.
 
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