I’m almost through my roll of genuine Radio Shack solder, and I’m pretty sure I won’t be able to find any more of this stuff, lol. Before I start pestering electrical engineers I follow on Instagram, I thought I’d ask here. I’ve tried all the solder available at Lowe’s. None of it flows worth a fuck and the Weller stuff is so bad I can barely tin stranded wire with it. The radio shack solder flows beautifully through the wire. If someone can recommend me something that’s as good as this stuff in the pic I’d really appreciate it.