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.
Note: Directions On bottle Labe
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.
JETS Product # 1924-2119
Sale is for 32oz Bottle (1 Quart)