Live Rock for sale for your Aquarium or Saltwater Fish Tank. Premium Live Rock full covered in Coralline Algae and pack with life. ARC Reef Live Rock is 100% sustainably Aquacultured. For every 1 pound purchased ARC Reef plants 10 pounds of new reef material offshore. To date your purchases have helped build over 43,500 sq. ft. of coral reefs. Please help us put an end to destructive reef practices and always choose aquacultured Live Rock.