MarcoRock Reef Saver Rocks are carefully sourced for color, porosity, and purity. They undergo a rigorous cleaning process and are trusted by hobbyists looking for high-quality hardscape for their marine aquariums. Pair MR Reef Saver Rock with Foundation, Shelf and Hybrid rocks to create a unique aquascape in the UNS Reef System.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

• 40LB Box
• Color: Natural
• Stable and architecturally sound. Highly porous.
• All natural, calcium carbonate rock. No chemicals or additives.
• Available in coralline