#worm

Hello everyone. Fellow reef nerds. I have a rock with, well please have a look at the photos. Does anyone know what I am dealing with and how to eradicate it? Whatever it is, it is ticking off some of my Zoa's. The brown algae looking stuff, the white wormy guys, and anything else you see in...

Hi All, new to the hobby and was wondering is this worm is good or bad to have in the tank?