Suitable for many larger species of Snakes and Lizards that need a dry environment, including birds and mammals. 100% natural and kiln dried to remove any harmful organisms this is a safe and sustainable product. Directions: Spread the substrate evenly over the bottom of the enclosure to a depth of at least 1-2″ (2.5-5cm). Spot-clean daily by removing soiled or wet substrate and replacing it. Used Beech Chips should be disposed of and replaced every 2 weeks, or more often if heavily soiled. This substrate should only be used dry, and wet areas should be spot cleaned. If you are using an under-tank heat mat as your heat source do not use a thick layer of Beech Chips as this may cause the heat mat to overheat. Please refer to the heat mat manufacturers instructions for more information.