Anyone?

phil bevilacqua

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Can anyone tell me what this is? I have two or three patches in my tank… Tanks two years old and fairly stable and these are patches that the tangs do not seem to eat ? It’s hard to tell in the pictures but it’s dark green and it looks like it has teeny little bubbles on it

84901D3D-D994-46E9-A2E0-204970FEBACC.jpeg


6C687E9C-09EF-43B7-BFFB-5262783B6838.jpeg
 

KJ

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Look like green cyanobacteria!
 
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