5 Lbs Hank Chapman Flux

This original recipe by Hank Chapman, Jr. (author of "How to Smelt Your Gold & Silver") can be added to gold, ore, black sands, computer parts and scrap metal materials. Helps draw out impurities by bringing them to the surface. Ingredients: Sodium Tetraborate, Sodium Carbonate, Silica, White Oil, and Manganese Dioxide.