The Biorock® Process Accelerates Coral Growth
In pilot installations in Mexico, Panama, Indonesia, Maldives, Thailand, and Papua New Guinea, we have built artificial reefs where corals grow rapidly even in stressed environments.
Applying a low voltage electrical current (completely safe for swimmers and marine life) to a submerged conductive structure causes dissolved mineral crystals in seawater to precipitate and adhere to that structure. 
The result is a composite of limestone and brucite with mechanical strength similar to concrete. Derived from seawater, this material is similar to the composition of natural coral reefs and tropical sand beaches.
Biorock structures can be built in any size or shape depending only on the physical makeup of the sea bottom, wave and current energies and construction materials. They are well suited for remote, third world sites where exotic building materials, construction equipment and highly skilled labor are non-existent.
GCRA methods provide a cost-effective way to increase coral survival from bleaching and disease, while restoring damaged reefs. In time, these structures cement themselves to the ocean bottom, providing a physical barrier that can protect coastlines from waves and currents that cause erosion.
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