ARC Fireworks Acropora CoralHow to Care for ARC Fireworks Acropora Coral: (written by Dave Burr) Think of frags as Acropora seeds. Fragments of Acropora are mounted onto small stones and grown in aquariums. We grow and frag the ARC Fireworks Acropora Coral here at Vivid Aquariums. We believe that frags and aqua cultured corals are the future of the aquarium hobby. Placement: Mount the ARC Fireworks Acropora Coral using IC gel glue, or putty, on an exposed rock or ledge in the