The friendliest place on the web for anyone with an interest in aquariums or fish keeping!
If you have answers, please help by responding to the unanswered posts.
Doesn't look like sponge to me. Most of the time, you won't know that you have sponge. They are through my tank, but under the rocks and in between them where the light doesn't go.
Doesn't look like sponge to me. Most of the time, you won't know that you have sponge. They are through my tank, but under the rocks and in between them where the light doesn't go.