DCM KLEIGRONDVERBETERAAR LAVA (CLAY SOIL IMPROVER)

Hard, porous lava granules (0-3 mm) of natural origin to aerate or drain heavy soils. Always mix with the soil. Can also be used as plant substrate for cacti, succulents and rock plants or as a covering material. Suitable for organic gardening.

physical soil improver - volcanic lava 0-3 mm for improving the soil's air-water balance