When you learn to solder, you are warned about the pitfalls of creating a solder joint. Too much solder, too little solder, cold joints, dry joints, failing to “wet” the joint properly ...

It's tempting to melt a few inches of solder into a joint as extra insurance against leaking. But excess solder can puddle inside pipes, restricting water flow. It can even break loose and damage ...

but a plumber could use it with a low flame to solder copper pipe joints in a shop setting as well. The only thing to remember with the Smith soldering kit is to turn off the gas to the tank when ...