Candy Corn Favia CoralHow to Care for Candy Corn Favia Coral: (written by Dave Burr) The Candy Corn Favia is easy to keep and grows well in most reef aquariums. They are a great choice for adding a splash of color to lower flow, lower light areas of your reef aquarium. Placement: Mount the Candy Corn Favia using IC gel glue, or putty, on an exposed rock or ledge in the lower two thirds of the aquarium where they will receive moderate currents and low to moderate lighting.