1.   Acid flux, also called zinc chloride flux, is used for most home jobs.

2.   Acid flux is corrosive.

3.   Both rosin and acid fluxes are available in pastes that are easy to apply.

4.   It is much safer to purchase acid flux.

5.   The wire solder has a hollow core that is filled with rosin or acid flux.

6.   Those operations often involved using lead solder and acid flux, which sometimes produced dangerous soldering fumes.

7.   Traditionally metalworkers made their acid flux by dropping pieces of zinc into hydrochloric acid until the mixture ceased bubbling.