I ended up taking the line off, cleaned it up real good, and then brazed it together using these rods:
Bernzomatic NS3 Nickel-Silver Flux Coated Brazing/Welding Rods
https://www.amazon.com/gp/product/B0000CBJGM/ref=ppx_yo_dt_b_search_asin_title?ie=UTF8&psc=1