NEW AND IMPROVED FORMULA: A special blend of Peat Moss, Soil, Sand and Carbon. Create tropical set-ups in Naturalistic Terrariums and Paludariums. Burrowing and Egg laying substrate allows for natural behavior. Plant Growing soil for live plants such as: Ferns, Bromeliads, Miniature Orchids, Succulents, and/or Carnivorous Plants. Added carbon helps aerate soil and improve drainage of Reptisoil.