Posted on 11/10/2016
SO WHAT THIS BLUE STUFF ANYWAY? Corrosion on your battery cables is a nuisance and can cause problems for your vehicle. It can damage quite a bit more than just your battery cables. Unfortunately, it can affect your electrical wiring, air conditioner lines and more. But, where does this stuff come from and why is it blue? The white substance you see on the picture on the left is lead sulfate or anhydrous copper sulfate. The blue coloring comes about when the anhydrous copper is exposed to moisture. It is typically experienced with copper connectors. The corrosion is generated by hydrogen gas that is released from the sulfuric acid inside the battery. A corrosive environment is then created as the gasses react to the atmosphere. Moisture and salts accelerate this process, which means those of us living in the South Bay need to be more mindful of our car battery connectors. Typically you will find the corrosion on t ... read more