- 100% natural - Designed to create perfect planted terrariums- Ideal for creating bioactive setups- Added activated carbon works to balance out the Ph levels- Packed in 100% recyclable and biodegradable paper bags Habistat Jungle Bio Substrate is a natural eco system designed to provide perfect conditions for a thriving plant terrarium. Added activated carbon works to balance out the Ph levels. A specially selected variety of natural ingredients, packed with nutrients to aid plant growth, we recommend using in conjunction with a base layer of Amazon Clay Balls to provide drainage and a natural filtration system. Our range of HabiStat substrates are packed in 100% recyclable and biodegradable paper bags. Available in two sizes: 10L and 25 Litre bag. Directions for use: Add live isopods like springtails, worms, millipedes and woodlice to break down organic waste and create a natural biotope.