Zoom icon Click to expand Tap to zoom Chevron down icon Chevron down icon Pro-Craft Borax Flux by Grobet Sale $12.70 | / SKU 22-820 1 2 3 4 5 6 7 8 9 10+ Quantity Chevron down icon Quantity Add to cart Spinner icon Notify me when back in stock Email address Email me when available Pro-Craft Borax Flux Controls oxidation during the melting process. 8 oz. container.