FITOFERT KRISTAL Mg-SUL 30 is water soluble fertilizer, based on secondary elements magnesium and sulphur. It can be included in regular plant nutrition or when deficiency of magnesium is observed. High concentrated magnesium and sulphur are in anhydrous form. During solution preparation constant mixing is required for complete dissolution. This fertilizer is compatible with other water soluble fertilizers so it can be used solely or in combination, in concentration 0.1%.