(7) grams Tri-Metaflux "The Gold Magnet" Contains Amalgamelt & Gold: Mercury free amalgam flux for fine gold and computer gold processing. (LOWERS MELTING POINT OF ANY METAL 0N CONTACT!) This formula will grab all the gold from black sand fines, computer fingers, crushed ore concentrates and even flake gold vials. This is a Lixiviant Gold Magnet. Simply Mix in with your gold dust fines and Your computer board finger & pin cons and complete the melt process described in the in the included packet. This formula was designed by a metallurgical chemist in 1991 as an acid free gold process and an alternative to lead & mercury. The entire procedure from scrap or fines to pure gold recovery is included with Tri-metaflux. Revision: now free shipping + FREE Recovery guide with this purchase. This auction includes gold filled scrap processing info.