Features A Special Blend Of Humus, Peat Moss, Sand, And Carbon 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 Specifictaions Size: 24 Qt