5lb Potassium Nitrate Milled The most extensively employed oxidizer in pyrotechnics. It used for a wide variety of applications, the most important of which is in the manufacture of black powder. Potassium nitrate is a white powder or long needle-like crystals before being milled to a fine powder. *Packaging may vary from pictured, but guaranteed to be high barrier to ensure freshness and longevity.
Ships in resealable zipper bag
Water soluble
Great for experiments
High purity
Excellent for hydroponics