Boiling Water Down Drain -

: Pouring boiling water into a porcelain sink or toilet can cause thermal shock , leading to instant cracks in the brittle material.

However, metal pipes have their own issues. Pouring boiling water down old galvanized steel pipes that are already narrowed by 50 years of rust will do almost nothing to clear the blockage. Furthermore, rapid expansion of hot water in a confined, corroded metal pipe can sometimes flake rust off the walls, turning a slow drain into a complete blockage. boiling water down drain

Then, the phone rang.

Pouring boiling water down the drain is a common household hack used for clearing clogs, cleaning garbage disposals, and eliminating odors. However, it is also a technique surrounded by controversy due to the potential for damaging plumbing. : Pouring boiling water into a porcelain sink