CaribSea Arch Life Rocks-Seeded with Bacteria, Sponge and Pods *price per pound!*

CaribSea Arch Life Rocks create dramatic 3D aquascapes while maintaining optimal water flow. Pre-seeded with beneficial bacteria, these aragonite-based rocks feature extensive micro and macro pores that establish a mature biological foundation instantly. The textured surface mimics natural coralline algae and supports colonization by live algae over time. Environmentally sustainable and safe for all marine life, these unique pieces eliminate the need for wild-harvested rock. Sold by the pound.