ID? Coral eating algae or coral?

[hn1]

Hey folks,

This has been growing for awhile, but I just noticed that it enveloped a paly. What is it? Anything to remove it beyond manually gettin out what I can?

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[drnecropolis]

dont see any pic or description..

 

[hn1]

Sorry.... had to edit.

 

[smoothie]

Is it moving like a nudi or is it simply growing over it? I would pull it and scrub it with a tooth brush. 60secs wouldn't hurt anything and then rinse it with fresh ro before you put it back in

 

[hn1]

It's just slowly growing. It almost looks like some sort of plating coral. We're upgrading the tank soon so I think I'm just going to break off what I can and wait to scrub the rock until we move it.

 

[hn1]

It's sort of hard and where it's grown off the rock, brittle.

 

[budsreef]

The way it appears to be growing onto the Palys it doesn't seem to be a hard plate so I think it is a type of algae. I've seen cyano get pretty thick and look very dark red/purple. I'd continue to syphon or just use tweezers to pick it off.