Fantastic shapes, incredible colors� Well check out new LifeRock� Shapes, the latest version of CaribSea�s amazing LifeRock� line up. Each 20 pound box comes with 4 arches! There is simply no better, no more spectacular way to aquascape your marine or reef aquarium. These open, light shapes not only provide lots of cover and �play area� for fish, but provide nice nooks and shelf areas for inverts too. Plus, because LifeRock� shapes are so open and 3 dimensional, 20 pounds goes a long way! The beautiful layout you can make with LifeRock� Shapes leaves lots of open water areas so flow rates are at their best as well. Each box is different, and every rock is too. No molds, no plastic; real calcium carbonate rock based formations complete with living, spored bacteria and the most realistic colors of any marine rock. Nature Perfected, Nature Protected, that�s LifeRock� from CaribSea.

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.