green star polyp coral Died? Overnight?

Formulator

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He said he only turned down whites, corals don't usually care about that right?
I think it is a bit more complicated. My knowledge is admittedly limited on the subject of color spectrum since I’ve always run halides, but my understanding is that blue light may be sufficient or even the preferred spectrum, but white light is still providing PAR. So turning down the whites may be fine if the blues are cranked up to compensate, but just turning down the whites alone would mean decreased PAR, and potentially lead to issues.
 

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Nitrate 12.9

Alk 7.8

PH 8.5

Phos .1

Mag 1215

Calcium 427

Salinity .025
Everything looks good especially for gsp, I would say to give him more flow to keep detritus off it, the flesh looks fine and healthy just keep an eye on it. GSP is incredibly difficult to kill and is very hardy
 
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mikebusc

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Everything looks good especially for gsp, I would say to give him more flow to keep detritus off it, the flesh looks fine and healthy just keep an eye on it. GSP is incredibly difficult to kill and is very hardy
Good to hear! Thanks for the info.
Alright just sight tight and observe then, keep us posted! :)
ill keep a close eye and report. Thanks!
 

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Hi. I can’t see so well in the ‘dead’ photo if there is anything small and specific, but mine will completely retract and look similar to your dead photo from time to time. Next day it is out bright eyed and bushy tailed.
I would give it a day.
 
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Looks fine as others said. Did you turn your whites back up? Could be not getting enough light.
I will turn up my whites just out of curiosity because the GHA is just about gone now. But I don’t believe that’s what it is since all the corals were doing really nice under the mostly blue light and this literally happened overnight within a 12 hour time period. And that’s when the lights are off anyway. But let’s see what happens. It’s worth a shot.
 
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mikebusc

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Hi. I can’t see so well in the ‘dead’ photo if there is anything small and specific, but mine will completely retract and look similar to your dead photo from time to time. Next day it is out bright eyed and bushy tailed.
I would give it a day.
Fingers crossed!
 
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mikebusc

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Wow, looks better than ever! What 24 hours can do! Really didn’t do anything different except I did feed it some Reef Roids but that probably wasn’t it. Is it possible an urchin or a crab or something walked over it causing it to retract like that? No matter I’m just happy It’s alive and looking very healthy. Thanks everyone who helped with this.
IMG_7600.jpeg
 
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