Caribsea LifeRock Shapes (1 Tunnel,1 Cave & 2 Arches) 20lbs

CaribSea LifeRock is made of an aragonitic base rock, instead of the typical cement used by many other artificial rock creators. Every rock contains a network of micro and macro pores that intertwine within the rocks internal structure, creating the perfect environment for natural nitrifying bacteria. LifeRock is manmade and does not affect our natural resources, making it the perfect option for all marine fish, invertebrates, and corals. 

LifeRock is infused with spored bacteria to aid in biological performance, along with millions of micro and macro passage ways CaribSea's Shapes Dry Live Rock is perfect for the environmentally friendly aquarist.

• Creates a mature looking reef instantly
• 100% safe for all marine animals
• Unique pieces
• Environmentally friendly