ALL Organic: Potash is mined from big rock formations in the earth's crust for a one hundred% pure source of potassiumMuriate of Potash MOP is often a significant purity, dry crystalline inorganic/metal halide salt made up of potassium and chlolrine, KCl.Muriate of potash fertilizer, also known as potassium chloride incorporates 60% potash. Potash