Zoo Med Reptisoil. Your reptile will love this special blend of peat moss, humus, sand, and carbon. Great for creating tropical set-ups, naturalistic and bioactive terrariums, the added carbon helps to aerate the soil. It is also ideal for adding in live plants. Create bioactive terrariums and tropical set-ups. Contains coconut carbon to provide a porous surface for beneficial bacteria to colonize and reduce persistent odors. Use in naturalistic terrariums and paludariums with tropical lizards, amphibians, box turtles, hermit crabs, tarantulas, and other invertebrates. Burrowing and egg laying substrate allows for natural behaviors. Suitable for plants creating a bioactive terrarium may maintain long-term plant life. Available Sizes: 10 dry quarts (11 Liters)