Name this algae

[Barmstrong2123]

Hoping this is come coralline algae that is good for the tank. Seems to want to grow on bottom side of live rock. It's not hard like I read coralline algae should be. Thanks for all the help!

BA


Sent from my iPhone using Aquarium Advice

 

[Barmstrong2123]

Should have mentioned that it is the bright green stuff


Sent from my iPhone using Aquarium Advice

 

[Amphibious]

It’s sponge. Not harmful.

 

[Cichlid-dude]

I agree on sponge


Sent from my iPhone using Aquarium Advice