Feb 2, 2014 #1 Jimbo C Aquarium Advice Activist Joined Dec 30, 2012 Messages 138 What is this stuff growing out of the bottom of my overflow bow?
Feb 2, 2014 #2 bribo12 Aquarium Advice Addict Joined Sep 19, 2013 Messages 9,729 Location Maryland Crazy looking sponge
Feb 5, 2014 #3 Faucett Aquarium Advice Apprentice Joined Feb 1, 2014 Messages 35 Sponge. Great place for copepods!