The use of flux when soldering electronics is one of the fundamental skills that everyone who thinks of picking up a hot soldering iron should have. A lot of times, those new to soldering think that the application of flux is not a necessary component of the soldering process. Judging by the emails I get, this is mainly because of two reasons. They watched a youtube video of an inexperienced kid solder two wires together using $5 pencil iron and plumbing solder then state that flux core solder is all that is needed. The other reason I hear most often is that flux is too expensive for the average hobbyist. We paid $15 for the 2 flux pens we purchased last and $25 for the jar of liquid flux we purchased before that. Today we are going to show you how to create your own flux and create a large quanitity for much less than you would spend by purchasing it premade.

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