Emerald crabs

Unstoppable algae!

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can somebody post a picture of emerald crab damage to an sps coral?

Long story short I had to combine my QT and main display, meaning I added several large emeralds. About a week later there are large patches (some almost a penny) where there are no polyps just unhappy sps skin.
I’m suspecting it’s the crabs as nothing changes and at any given time there are 2 to 3 emeralds chilling in my acros…

Thoughts? IMG_2581.jpeg
 

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shakacuz

hang loose, cuz
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time to evict. if that was the only change you did, my only other guess would be lingering contaminants from the QT (ex: copper, etc). try sending out an ICP whilst removing the emeralds.
 

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