Caribsea Liferock 18 inch Arches These large LifeRock Arches are the perfect live rock for dynamic marine aquascaping. LifeRock Arches are the ideal size for medium to large tank aquascapes. At about 18 inches long and 6-8 inches wide, these spectacular arches make the most of spaces as a coral topped archway or swim through cave. Use 2or 3 in a stack and make beautiful, open reef structures. LifeRock Arch Features Perfect live rock for marine aquariums Reef Safe Infused with living,spored bacteria No curing, no hitchhikers LifeRock is ready to be used right out of the box LifeRock Large Arches add open dimension to large marine and reef aquariums with plenty of swim space and area for coral placement. Each Large Arch is 18 inches long and weighs approximately 20 pounds. One arch per box. Life Rock is 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. LifeRock Large Arches add open dimension to large marine and reef aquariums with plenty of swim space and area for coral placement. Each Large Arch is 18 inches long and weighs approximately 20 pounds. One arch per box. Life Rock is 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.
