GPK Premium Gold Flux (Black) 1 lb Parts Ideal for gold prospecting in

Ideal for gold prospecting in mineralized ground

Its concentric coil configuration offers excellent pinpointing performance and clear target responses

They are all black and therefore difficult to photograph in a way that gives adequate credit to the quality

or processing samples from a mining claim

this bottle should comfortably treat 5 - 10 coins depending on how much residue needs to be removed

GPK Premium Gold Flux (Black) 1 lb Parts Ideal for gold prospecting inOur own special mix without lead (no cupelling necessary) and consisting of 4 main ingredients: Sodium Tetraborate, Sodium Carbonate, Silica and Manganese Dioxide. This flux is especially good for melting Karat or pure gold with your Kwik Kiln and delivers a beautiful, shiny finish to your gold without sticking. Good for smelting ores and melting precious metals in all Kwik Kilns, along with other kilns and furnaces. Please note: Premium Gold Flux