Used as a strong alkaline cleaning agent in industrial and commercial settings, particularly in drain and oven cleaners due to its ability to dissolve grease and fats. Commonly employed in the production of soaps and detergents through saponification of fats and oils. Utilized in pH control for water treatment and various chemical manufacturing processes. Plays a key role in the synthesis of potassium-based chemicals and fertilizers. Applied in the food industry for washing or peeling fruits and vegetables, and as a food additive for pH adjustment. Also used in batteries, especially alkaline and nickel-cadmium types, as an electrolyte.