How to Ball Mill Chemicals Safely — Skylighter, Inc.
Skylighter's Ball Mill This jar is constructed of PVC plumbing pipe and fittings per Lloyd's original instructions. How many jars or barrels do I need? If one is milling only black powder ("BP") compositions, or the individual chemicals that make them up (potassium nitrate, sulfur, charcoal, dextrin), then only one barrel is necessary.