Lava as part of bonsai substrate, Ref. 2917

Lava is a unique mineral of high porosity of volcanic origin. It helps excellent water and air exchange in the soil, it is ideal for drainage or aeration of the soil.  Thanks to its porosity is a source of macro and microelements that promote the growth of the root system of plants. It contains iron, magnesium and calcium.
Prevents the formation of mold, acidification and formation of clumps in the substrate.
Excellent material for bonsai decoration and growing mosses on the soil surface.

Produced in Japan.
The package contains 1 liter