Premium Shelf Rock - Coralline - 20LB

MarcoRock Premium Shelf Rocks are formed naturally from ancient reef structures and processed carefully to provide premium pieces for dynamic rock work. Rocks can be stacked horizontally on top of Foundation Rocks then paired with Hybrid and Reef Saver rocks to create unique aquascapes. Cement them together at key junctions with MR Bonding Mortar and disguise the joints with MR Powder for a seamless look.

Key Features and Important Notes

• 20LB Box
• Color: Coralline
• Stable and architecturally sound. Highly porous.
• All natural, calcium carbonate rock. No chemicals or additives.
• Available in natural