EM original solution consists of a mixture of useful and naturally occurring microorganisms. The starting materials are lactic acid bacteria, yeasts, photosynthesis bacteria and other microorganisms useful for plants and soil, sugar cane molasses and water. EM original solution is a dark brown, sweet and sour liquid.

EM Ursolution is the starting product for many products in the Multikraft range. It is a stock solution in which the microorganisms it contains are inactive and dormant. This means it has a very long shelf life if stored correctly. EM original solution is activated by fermentation with sugar cane molasses and water and can then be used. Individually approved as a soil additive in accordance with Section 9a DMG 1994.