Pickle is a liquid compound used to remove oxidation and flux from newly soldered jewelry. It is what you put your pieces in to clean them after soldering. Metal that has been soldered produces oxidation on the outside of it. Allowing the metal to cool and then dropping it into the pickle removes the oxidation. The metal should also be pickled before the soldering process to clean it.
Pickle works best when it’s heated. A small crock pot with a lid is recommended for containing the pickle. Keep it on the Low setting. If the lid is kept off, the pickle will evaporate. Distilled water can be added to replenish it.
Pickle lasts for a very long time, but when it starts to turn blue from the collected oxidation then it is time to change it. The solution must be neutralized before it’s disposed. Pour it into a separate container and add baking soda until it stops frothing. No frothing means it’s neutralized and can be disposed at a hazardous waste dump.
Pickle works better and faster when hot. An old crock pot with a glass lid works very well for a pickle pot. Sparex no. 2 is a good…