F frkkevin Sep 14, 2009 #1 New to the hobby.. just setup this 40 gallon. The tank has just been cycling and I noticed these white blobs with a hole in the middle. alt=""> alt="">
New to the hobby.. just setup this 40 gallon. The tank has just been cycling and I noticed these white blobs with a hole in the middle. alt=""> alt="">
A Ashlar Sep 14, 2009 #3 Looks like sponges. Beneficial / harmless filter feeders unless they encroach on a coral.
