The rosin acts as flux for the solder ... the soldering iron can be used to remove small amou nts of excess solder from the joint. Wipe the solder and burn rosin off by pulling the tip across ...

Push the joint together until the copper tube seats at full depth. Wipe off excess flux with a disposable shop rag. The post How To Solder Copper Pipe appeared first on Family Handyman.

using a flux brush or your finger inside a disposable glove. Dampen a sponge with water. Then heat up the soldering gun and wipe off the tip with the sponge. Apply tip tinner to prevent oxidation.

For some of us the smell of rosin soldering flux vaporizing from the tip of an iron as a project takes shape is as evocative as the scent of a rose on a summer’s day. We’ve certainly breathed ...