3 OUNCES Amalgamelt: Mercury free amalgam for fine gold and computer gold processing. This formula will grab all the gold from black sand fines, computer fingers. crushed ore concentrates and even some flake gold vials. simply heat to 540 degrees F., pour in your gold dust fines and strip Your computer boards; Works with fingers or crushed micro chips, Just complete the simple melt process described in the included packet. Works better than mercury but non toxic! This formula was designed by a metallurgical chemist in 1991 as an alternative to mercury. The entire procedure from scrap or fines to pure gold recovery is included with Amalgamelt.