I find the forum is rarely functioning well these days Dennis. Even if you access the page if you click on the todays post link it goes to error, if...
I've always used Alum pickle and if it doesn't remove the residue, just leave the piece in for longer and add some more alum crystals to the water. ...
I've been asked to resolder a 9ct band set with microscopic flush diamonds at the front. I've only just started working with gold so still feeling my...