Something showed up in my tank

[lexiholstine]

Had this thing show up in my saltwater tank on one of my rocks and I’m trying to figure out what it is. It’s growing slowly as well.

 

[ISpeakForTheSeas]

I don't know what it is, but I'm happy to bump your thread and see if we can't get an answer for you.

Welcome to Reef2Reef!

 

[airvicconcre]

Had this thing show up in my saltwater tank on one of my rocks and I’m trying to figure out what it is. It’s growing slowly as well.

The attachment isn’t opening.