QUOTE (Kittysnax @ Jan 26 2010, 11:14 AM)

Can this be converted into a refugium?

Almost anything can be converted into a refugium as long as you get rid of the bioballs, have a slow water flow through the area, have an intake and return, and have some areas for life (ie: Copepods) to cling onto and not get swept immediately through the system into the display!