Potassium Sulphate also has the names Potassium Sulfate or Sulfate of Potash (SOP). It is a high-grade inorganic product. It can be a white crystalline powder or it can be granular. Agriculture and industry widely use it. It is highly pure in addition to highly soluble. The sulfate of potash is used for fertilizer. Like other potassium fertilizers, it provides potassium for increases ... https://www.fissionbiotech.com/potassium-sulphate-00-00-50.php