Description Exo Terra – Plantation Soil Brick / Tropical Terrarium Substrate 8.8l Exo Terra Plantation Soil is made from compressed coconut husk fibre from the plantations of tropical Asia. This ecological substrate is ideal for increasing humidity in the terrarium and is totally safe for frogs, salamanders and burrowing or digging animals. The substrate can also be used as an incubation medium because of its hygroscopic properties. This 100% natural substrate can even be used as a nutritional planting soil for live plants in a terrarium set-up.     100% natural substrate     Ideal for natural terrarium set-ups     Increases humidity in terrariums     Stimulates natural digging and burrowing behavior     Nutritional substrate for live plants