My-T-Flux, aprox 4 ox

Self-pickling liquid My-T-Flux™ helps hard solders flow smoothly at higher temperature ranges and will not pop or bubble during heating. Works great on most jewelry applications from low to high temperature soldering and brazing. Use with gold, silver, brass, bronze, nickel silver and other non-ferrous metals; effective from 1,100°-1,700°F (593°-927°C). Contains boric acid and ammonium chloride.