Granular Sulphate of Potash / Potassium | Fruit & Berry Fertiliser | 0-0-50
Granular Sulphate of Potash | Potassium Sulphate | Fruit & Berry Fertiliser. It is highly soluble and dissolves very quickly. You'll see the results from this fast-acting fertiliser quickly. Potash can be raked or hoed into the soil.