An excellent draining substrate. Hydroclay is placed at the bottom of the tropical vivarium, then covered with a fine mesh to prevent substrate mixing (Terra Mesh or equivalent). An acidic substrate is then added, such as blonde peat (Terrarium Peat), coco humus (Terrarium Humus), or smaller clay balls (ReptiClay). It is used for waste degradation and improving the biotope: the terrarium is an artificial environment where plants and animals must find their bioclimatic conditions. The porous structure of Hydroclay allows beneficial bacteria to establish, which decompose waste. This substrate enables you to create a natural vivarium that requires little human intervention.