Rosin paste flux

Flux is used to clean the parts what you are going to solder fro oxidation. There are many types of flux: liquid flux, flux paste, flux pen and a lot more. Never don't use acid fluxes on repairing electronics because they can mess up everything.
Liquid Flux
Flux pen

Flux pen

Acid paste flux

Ad blocker interference detected!

Wikia is a free-to-use site that makes money from advertising. We have a modified experience for viewers using ad blockers

Wikia is not accessible if you’ve made further modifications. Remove the custom ad blocker rule(s) and the page will load as expected.