Hey all,
Got what looks to be a black sponge growing in my tank. I can see a clear circular mouth or outlet pipe on it. Aren’t most sponges generally harmless and if anything slightly beneficial on an infinitesimally small level?
Got what looks to be a black sponge growing in my tank. I can see a clear circular mouth or outlet pipe on it. Aren’t most sponges generally harmless and if anything slightly beneficial on an infinitesimally small level?