johnehr Ignorant and Oblivious Joined Sep 18, 2004 Messages 210 Location Seattle Nov 11, 2004 #1 I have some type of black growth around some of my zoo polyps. They still open fine, but its just worrisome that something like this is around my zoos! Does anyone know what this is? Is it harmful?
I have some type of black growth around some of my zoo polyps. They still open fine, but its just worrisome that something like this is around my zoos! Does anyone know what this is? Is it harmful?
