Experience improved plant development with this KNO3 Potassium Nitrate Powder 0.5-lb package. Though it has a variety of uses, most often it’s used as a component in fertilizers and to aid in the removal of tree stumps. This plant fertilizer powder provides wonderful nourishment for plants to promote healthy and efficient growth. It provides nutrients essential to the metabolic process in the plant’s cells. This 0.5-lb KNO3 Potassium Nitrate Powder is colorless and odorless, water-soluble and chloride-free. It’s an excellent choice for chloride-sensitive crops such as strawberries, lettuce and beans. The greenhouse-grade powder can be used to make your own fertilizer blend.