Lava flour and lava grit improved the structure and fertility of the garden and soil. Together with the organic matter from e.g. worm manure and soil life, lava meal forms stable clay-humus complexes and soil aggregates.
Lava flour is finely ground volcanic rock. This primordial rock is, for example, extracted from the Eifel region in Germany. Lava flour and lava grit from the Eifel regions have a mineral listing. The rock flour is rich in silicon in an easily absorbable form for plants. Silicon crop resistance to drought, diseases and pests. All lava flour and lava grit products in our webshop come from the Eifel area.