Oct 10, 2010 #1 M moetec Aquarium Advice Apprentice Joined May 8, 2010 Messages 17 i have 3 rocks in my tank and there is brown stuff growing on them now. any idea what it is? help please.
i have 3 rocks in my tank and there is brown stuff growing on them now. any idea what it is? help please.
Oct 10, 2010 #2 M mattrox Aquarium Advice Addict Joined Nov 17, 2003 Messages 2,110 Location Adelaide, Australia My guess is algae. Any pics?
Oct 20, 2010 #3 B blkhrt Aquarium Advice Apprentice Joined Aug 24, 2010 Messages 16 Location Peoria, Az Its common, just either flip the rocks every week or just scrub them. Ensure you are changing the water, this will help as well.
Its common, just either flip the rocks every week or just scrub them. Ensure you are changing the water, this will help as well.
Oct 20, 2010 #4 Wy Renegade Aquarium Advice Addict Joined Jan 31, 2008 Messages 4,760 Location Wyoming If its a blackish brown layer that clings to the rocks and scrubs off hard, it is most likely diatoms.
If its a blackish brown layer that clings to the rocks and scrubs off hard, it is most likely diatoms.
Oct 20, 2010 #5 BigJim Aquarium Advice Addict Joined Jul 8, 2009 Messages 4,388 Location Oak Forest, IL +1 for brown algae (diatoms). They're common in new tanks and they usually burn out after a few weeks.
+1 for brown algae (diatoms). They're common in new tanks and they usually burn out after a few weeks.