Feb 27, 2005 #1 S supermarvin76 Aquarium Advice Freak Joined Feb 7, 2005 Messages 211 Location New Orleans I have read that it is possible to build a shallow refugium above the sump. How is this done? Any links? Tips?
I have read that it is possible to build a shallow refugium above the sump. How is this done? Any links? Tips?