Higromite is the only growing medium of its kind in the world. Higromite is mined from volcanic deposits colonized by protozoa in freshwater lakes millions of years ago. These deposits produced the best natural balance of organic, major, and trace elements.
Higromite provides several advantages over expanded clay pebbles, coco, and rock wool. It's high in silica, pH neutral, and has the best moisture retention & release on the market today. Completely reusable, the varied shapes of the rocks promote porosity, allowing more oxygen to reach the roots.