If your house was built before the 1980s, you likely have metal drain pipes—typically galvanized steel, copper, or cast iron. Bleach is a corrosive oxidizer. It reacts violently with metal. Pouring bleach down a metal drain repeatedly will:
Using bleach as a fix for plumbing issues can lead to several problems: 1. Risk of Chemical Reactions can bleach unclog drain
If you tried a DIY solution (like baking soda and vinegar) earlier and it didn't work, follow it up with bleach. Flush the pipes thoroughly with water for several minutes before introducing bleach. If your house was built before the 1980s,