Aqui Flux is the tried-and-true jewelers’ hard soldering flux. Yellow-green and self-pickling, it is the best in water-based fluxes. Makes hard soldering as easy as soft soldering.
JETS Product # 1924-2120
Note: Directions On bottle Label
A soldering flux for use with silver solder, gold, and platinum or other metals with high melting points. Preserves temper and color of metal. Adhesive qualities of this liquid flux hold solder in place. Attracts solder and helps prevent oxidation and fire scale
Sale is for 1 GALLON Bottle (128oz.)