Purple Gold MilleporaMillepora, commonly known in the hobby as Fire Coral, is a fast growing and visually distinct addition to an established reef aquarium. While technically a type of hydrocoral, its care requirements and calcium carbonate skeleton lead to it being classified as an SPS coral by hobbyists. Its rapid growth can quickly create impressive structures, adding texture and dimension to the rockwork. Handle with care, as its common name comes from the potent