Need help to id

[spit.fire]

Originally Posted by Accordexi

How do I get rid rid of this?
Bubble algea isn't that so pose to look like bubbles trapped inside the water?

not really

emerald crabs might eat it, rabbit fish possibly, my friends gem tang ate it but that might be a bit $$ to get one
or take the rock out, carefully remove the algae, then hit the area with some h2o2