Thank you. I didn't know a plumber's solder would turn gray in time. I'll use the plumber's solder for practice on prototypes and then use the silver solder when my skills improve. Thanks.
I want to start making stuff from old silver-plated flatware. I made a prototype bud vase from a spoon and a hollow knife handle with plumbers solder. The lead-free plumber's solder worked, but most YouTube videos recommend silver solder.
How to solder question. (Note: I am an experienced...