Exo Terra Sub Stratum Bioactive Volcanic Terrarium Substrate Dry SW Foods softening it with their mouths

softening it with their mouths before small parts of it can be slowly chewed off

reaching full size at about one year

Attracts suspended particles

For freshwater and saltwater* aquariums

3 assembly options for flexible positioning of the pump inlet and regulation valve

Exo Terra Sub Stratum Bioactive Volcanic Terrarium Substrate Dry SW Foods softening it with their mouthsThe Exo Terra Sub Stratum is collected from the mineral rich foothills of the Aso Volcano in Japan. The natural volcanic soil, formed from andesitic and rhyolitic tephra, is very nutrient rich, ideal for lush plant growth in bioactive planted terrariums. The porous surface allows for excellent drainage and aeration, supporting strong root growth. The Sub Stratums friable, low density structure promotes a flourishing population of beneficial,