Rubyfluid Soldering Flux – General Purpose Liquid Flux for Plumbing, Stained Glass & Metalwork | Water-Soluble, Non-Corrosive, Easy Cleanup - 1 Pint Bottle

Rubyfluid Soldering Flux – General Purpose Liquid Flux for Plumbing, Stained Glass & Metalwork | Water-Soluble, Non-Corrosive, Easy Cleanup - 1 Pint Bottle

• Versatile All-Purpose Flux – Ideal for use in plumbing, stained glass, electronics, HVAC, and general metalwork; delivers reliable, high-quality soldering results every time.
• Fast-Acting, Superior Wetting – Rubyfluid's proven formula promotes rapid wetting and strong solder joints, reducing oxidation and ensuring clean, even flow on copper, brass, and other metals.
• Water-Soluble & Easy to Clean – No harsh solvents needed—simply rinse with water after soldering for a residue-free, corrosion-free finish that protects your work long term.
• Trusted by Professionals Since 1903 – Manufactured in the USA, Rubyfluid has been the go-to soldering flux for tradespeople, hobbyists, and artisans for over a century.
• 1 Pint Value Size Bottle – Conveniently sized for workshops and professional use; the resealable container helps prevent spills and prolongs shelf life.

General purpose flux. Easy-to-use. Produces strong, durable joints without corrosion or dangerous fumes. Made from finest material obtainable. Causes solder to flow in thin film. Contains no lead. Adheres quickly and stays put.