What is this starting to grow throughout my live rock

[home office reef]

Please see attached pictures. It looks like it has tentacles and kind of green with a little blue. Did not respond to f aptasia.

 

[york1]

Can you get some clearer pictures? Maybe a few under white ;light

 

[home office reef]

Please see attached

 

[siege]

Huh... looks like some sort of algae maybe, but... hard to be sure. Does not appear to be a coral or anything.

Do you have trochus snails? Or anything that will eat FHA?

 

[dball711]

Bryopsis and most likely nothing’s going to eat it. Looks like you have a very healthy infestation…

 

[90gDreams]

Definitely looks like Bryopsis. You may want to consider Reef Flux or running elevated magnesium levels. Don't count on anything eating it

 

[Steve Burton]

Fluconazole was the only thing that got rid of mine.