Introducing the biOrb AIR Coir Compost Terrarium Substrate, the perfect solution for maintaining a vibrant and healthy environment in your biOrb AIR terrarium. This replaceable substrate is skillfully crafted from treated and sterilized cocopeat, a sustainable and eco-friendly material sourced from renewable coconut husks. Designed for easy use, simply add water to the compact block, and it expands to provide an ideal base for your plants and creatures. One block is sufficient for a single biOrb AIR, ensuring you have everything you need to create a thriving habitat. The coir compost not only retains moisture, promoting healthy plant growth, but also enhances aeration, allowing for proper drainage and root development. Elevate your terrarium experience with this high-quality substrate, perfect for reptile and amphibian enthusiasts looking to create a stunning, naturalistic environment. At just $19.99, it’s an investment in the well-being of your terrarium’s ecosystem.