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The Barnacle Reef on Ihuru in the Maldives was built in November 1996 to demonstrate a unique method for enhancing coral growth through mineral accretion or the Biorockª process..Shaped like a barnacle, the metal structure is roughly 20 feet long by 12 feet high and is submerged in about 20 feet of water. Flowing through the BarnacleÕs metal frame is a safe, low voltage, solar powered, electric current...An electric field causes minerals in seawater to precipitate and adhere to metal. The result is a composite of limestone and brucite with a composition similar to that of natural coral reefs and tropical sand beachesÑan ideal foundation on which attached corals grow and flourish. This is the Biorock process...Robust coral formations, along with the natural protection from the BarnacleÕs structure, soon attracts a wide variety of fish and other aquatic life making the site ideal for snorkelers and divers.