Potassium Sulfate 0-0-53 Plus 18% Sulfur 100% Water Soluble Greenway Biotech Brand 5 pounds 5 Pounds of Greenway Biotech Potassium Sulfate 0-0-53 100% Water Soluble (Sulfate of Potash) Enhances Roots Growth in Plants Improve the Yield and Quality of Plants Balances Plants' Metabolism to Improve Protein Synthesis to Energize Plants for Healthy Growth Improves the Immune System in Plants so They Become More Resistant to Diseases