May 26, 2014 #1 dannyboy10 Aquarium Advice Apprentice Joined Apr 18, 2014 Messages 14 this is on my brothers tanks and he wanted to know what they are because their is a lot and they get big?
this is on my brothers tanks and he wanted to know what they are because their is a lot and they get big?
May 26, 2014 #2 bribo12 Aquarium Advice Addict Joined Sep 19, 2013 Messages 9,729 Location Maryland Pineapple sponges, come and go. They don't get big and are a sign of a healthy tank
May 26, 2014 #3 OP OP dannyboy10 Aquarium Advice Apprentice Joined Apr 18, 2014 Messages 14 Thank uou
May 26, 2014 #4 bribo12 Aquarium Advice Addict Joined Sep 19, 2013 Messages 9,729 Location Maryland No problem