Something on the back wall..

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.

alink708

Aquarium Advice Activist
Joined
Sep 26, 2011
Messages
181
Location
Oak Lawn , IL
Something new in the tank...again. I feel like half of my posts are in this forum,but im still learning I guess. These are completely new ,never saw any before this morning. Its the brown round bubble things on the back wall. Theres 4 of them in the photo. Any idea what they could be? Thanks.
 

Attachments

  • S5030796.jpg
    S5030796.jpg
    203.1 KB · Views: 82
Back
Top Bottom