Potassium Nitrate Technical Grade KNO3 4LBs 4 LBs (Granulated)

Potassium nitrate is a chemical compound with the chemical formula KNO3. It is an ionic salt of potassium ions K+ and nitrate ions NO3?, and is therefore an alkali metal nitrate. It occurs in nature as a mineral, niter. Potassium nitrate is one of several nitrogen-containing compounds collectively referred to as saltpeter. Major uses of potassium nitrate are in fertilizers, tree stump removal, and other uses.