Is this green coralline?


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Manhattan Reefs
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Hi all! I was wondering if this is green coralline. It's not hair or film algae. A tooth brush does nothing. What do you think?

This is 4 month old Marco Rock from BRS. I'm really happy about all the different reddish and purples hues that are popping up all over :smokin:



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Staten Island
Doesnt look like gree coralline. Seems like the natural progression of algaes you get on new rock from my experience. Not entirely sure what type of algae it is, but i wouldnt worry about it. The coralline is taking hold and will cover it all at some point.