HabiStat Sedge Peat Substrate consist of pure peat and is therefore 100% natural. Non toxic and non abrasive, this substrate is ideal for invertebrates, amphibians and burrowing species from humid environments. Our range of HabiStat substrates are all now packed in 100% recyclable and biodegradable paper bags. Available in 10 Litre bags and Bulk. Directions for Use: Spread substrate evenly across vivarium base ensuring a depth of 1-2" (2.5-5cm). Do not overfill if using underfloor heating. Spot clean as required and replace regularly.