Real aragonitic base rock, not cement, no curing. Extensive macro and micro-porosity infused with spored bacteria for outstanding biological performance. Clean and safe for all fish and inverts, environmentally responsible each piece being very unique. Nature Perfected, Nature Protected, that`s LifeRock from CaribSea Don't just put rocks in your tank, ROCK YOUR REEF with LifeRock ShelfRock. Amazing porosity, incredible biological performance (drops ammonia like real live rock), and unsurpassed realism make LifeRockTM ShelfRock the best and most cost effective rock choice for any aquarist. Spectacular shelves make the perfect display area for inverts or use shelves to create caves and platforms. Great For: Reef Aquariums, Marine Aquariums, African Cichlids Aquariums and Brackish Aquariums. Please Note: Each variety of rocks of different sizes and shapes. We are unable to take any special requests for rocks of a particular dimension or size. Because of the fragile nature of this rock, it is possible f
