Aptus - Micromix Soil 100gBENEFICIAL SOIL BORNE MICROLIFE During the production process of growing substrates all microlife is destroyed sterilized so that no harmful elements remain. The problem with this approach is that also the beneficial elements are destroyed. This makes the substrate more susceptible to pests and diseases. It is important to have a rich beneficial microlife in the substrate to prevent problems and to optimize growing conditions. Adding Micromix creates