SENSITIVE TROPICAL PLANTS THRIVE: Proven for years to accommodate a huge variety of plants from ferns, tropical plants and mosses BIO-BALANCED: Each of the multiple ingredients in this precise mix support a balanced ecosystem and can last the life of the animal. PROPER AERATION AND DRAINAGE for bioactive terrariums. Will not clog and stagnate. REQUIRES A DRAINAGE LAYER for optimal performance when used with microfauna and Bio Shot HELPS RAISE HUMIDITY: Keeps your tropical environment perfect, while aiding in shedding, respiration and hydration. Terra Flora is a handcrafted bioactive substrate blend designed for humid, rainforest-style terrariums and vivariums. It is suitable for use in enclosures for moisture-loving reptiles and amphibians, including dart frogs, tree frogs, salamanders, and similar species. This substrate is formulated to support a balance of moisture retention and drainage when used as part of a properly built terrarium setup. Terra Flora helps maintain moisture for live plants while allowing excess water to move through the substrate when paired with an appropriate drainage layer. The blend is designed to support naturalistic terrarium conditions, including root development for live plants and habitat space for common cleanup crew organisms such as springtails and isopods. For best results, use with a drainage layer and a soil inoculant as part of a complete bioactive setup. Each bag contains 6 quarts of Terra Flora substrate and weighs approximately 3.25 lbs. Recommended use: rainforest-style, humid, tropical, and bioactive terrarium setups. Please note: A drainage layer is recommended for proper function.