Magnesium fertiliser solution with 5% water-soluble magnesium oxide (MgO) and 10% water-soluble sulphuric anhydride (SO3). Corrects and prevents magnesium deficiency in all crops. Direct absorption and processing in the plant. Registered as a farm input with the Research Institute of Organic Agriculture (FiBL) (expected to be listed from September 2023). Contents: 10 litres