Potassium Chloride 0-0-62 Muriate of Potash 100% Water Soluble Fertilizer"Greenway Biotech Brand" 3 Pounds 3 Pounds of Greenway Biotech Potassium Chloride 0-0-62 Potassium is Very Important for Good Root Development Potassium Increases Plant Vigor and Disease Resistance The Chloride Content of Potassium Chloride Improves Yield Helps Regulate Plant Metabolism and Affects Water Pressure Regulation Inside and Outside of Plant Cells.