Derust Metal Parts Cheap and Easy

Just put the parts in a bath with soap.

• Connect the parts you want to clean to the minus (-).
• Setup about 12 Volts. Amp flow is about 0.1 to 1.0 A.
• Parts began to bubble. Rust turns to black color.
• Clean with towel.
• Clean with bronze.
• Apply a bit of oil

Before:

After:

Before:

After: