Product of mineral origin, owing to which it has high absorption properties of water and components dissolving in it, porous. It favours their proper transmission to the roots. The application of pearlite creates excellent conditions for the development of the root system, scarifies the ground improving the roots breathing. The best results are to be achieved by mixing pearlite with the soil, peat or another type of substrate. The plants can also be inserted directly in the pearlite, with the application of appropriate fertilizers for hydroponic culture.