Can Lye Damage Pipes?

Reactions of Lye and PVC
Since lye is so basic and caustic, it can harm PVC piping. The chemical should not react with the surface of the PVC piping, but if used incorrectly at high concentrations, it could eat away at a crack or flaw in the piping, causing it to fail.

Is lye safe for metal pipes?

Most household drain cleaners are safe for your pipes, but Rosie doesn't use the ones that contain corrosive chemicals. If your pipes are old, harsh chemicals like lye, hydrochloric acid and trichloroethane can do more harm than good.

Can you pour lye down the drain?

Lye: Lye is typically used as a disinfectant and in soap-making, but you can also use it to unclog a drain. Carefully pour several teaspoonfuls of lye directly into the drain. Pour a small amount of water down after it.

Robert Thorne

Robert Thorne

Automotive & Future Transportation Editor

Robert Thorne covers electric vehicle innovations, autonomous driving systems, global mobility trends, and automotive engineering developments.