Pumice (2916)

Pumice - is used as a soil component for bonsai, is formed when hot lava comes into contact with water.
It is used as a long-lasting plant substrate with the releasing nutrients such as silica, sodium, aluminum and calcium oxides.
Absorbs excess moisture well and improves aeration and soil structure.

Does not decompose and keeps the soil from compacting, even after watering. Improves drainage in all types of soil
soil and prevents waterlogging even during heavy rains or excessive watering.
watering. Like a sponge, retains excess moisture in its porous structure, gradually releasing water to the roots.
water to the roots. Its structure helps to reduce the need for watering.
It has a neutral pH.

Pumice is also used as a long-lasting mulch.