Is this a feeding response ??
 

I was looking at my PC rainbow and noticed something out of the ordinary. Have you guys seen this on your coral? Can it just be a feeding response ? https://streamable.com/zkgg3o


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Yes I think it’s just a feeding response. The coral looks like it has decent polyp extension and great color and as well. If you’re worried about it try blowing it off the coral maybe?


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Well it's looks quite strange. Look closer on this slamy spot. I think It might be some kind of pest.

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Thank for the response guys.I actually came back about an hour later and it was gone . I believe it was a feeding response . I just panicked haha. Hadn’t seen that coral ever do that.


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