Muriate of Potash is a naturally occurring mineral, created during the evaporation of ancient sea beds. Muriate of Potash is also referred to as Potash or Potassium Chloride and is the most widely used potassium fertilizer. As one of the three primary crop nutrients required for plant growth, Potassium serves as the “Regulator” of many essential processes within the plant.

Potash is water-soluble and contains 60-62 percent K₂O.
Untreated may be allowed in organic production.