@gsuberland @MarkAtMicrochip @lcamtuf … still was oxidized enough to make it hard to have a nice solder coat.
That one was possible to improve by replacing the cracked tip with another, still worn down one. Not a fan of ERSA tips; the box with the "replacements" was full of tips where the tip, seemingly of a different alloy, separated from the body of the tip, permanently. Probably run at a far-too-high temp due to wetting issues, but still, I've never seen that before, the box had 10 of these.