Is this coralline algae?

coastalnanoreef

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I think this might be coralline algae but I really don’t know.
664F4641-CD4C-43C9-8970-2C007CED4B0C.jpeg
 
Can you wipe it off?
 
Agreed looks more like Cyanobacteria than coralline. Good way to tell is if it blows off easily.
 
Whst i see is cyano over the top of coraline. Blow at it with turkey baster and you’ll be able to confirm
 

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