Introducing Our Premium Multi-Nutrient Fertilizer – Pure Crystals for Complete Plant Nutrition Specially formulated to support the full life cycle of crops, this multi-nutrient fertilizer contains a powerful blend of four essential minerals: Sulphur (18.5%), Potassium (13.5%), Magnesium (5.5%), and Calcium (16.5%). Derived from natural mineral sources, it can be used as an organic fertilizer, making it ideal for sustainable and long-term crop nutrition.