Expanded clay, Flortis, bag / 7L, to favor accurate water drainage

The product consists of small spheres of 8-16 mm diameter and is particularly useful to favour the correct water drainage; moreover if placed at the bottom of the pots it improves the air circulation while if mixed to the substratum it creates a better environment to the root development. The product is indispensable in hydroponics, where it helps the development of the root apparatus.