CaribSea LifeRock Dreamscapes Assortment Box 5-15 GallonScape your aquatic paradise with LifeRock DreamscapesArches, boulders, ledges, branches, tunnels, everything needed to perfectly aquascapeyour aquariumSafe for all marine fish and invertebratesNo curing needed, ready to useEnvironmentally responsible, not beach or reef collectedMade in the USAHand crafted, each piece is uniqueNo paint or plasticMade with real calcium carbonate rockContains living spored bacteria to kick start the cycling processIncredible porosity for maximum biological filtrationCaution: Aquacave takes great care to securely pack every type of rock. Due to the nature of shipping, damages to rock can occur during transit. Unfortunately we cannot guarantee delivery or credit damages but most can be repaired with epoxy or mortar.