We independently review everything we recommend. When you buy through our links, we may earn a commission. Learn more› By Tim Heffernan Tim Heffernan is a writer who covers air and water quality and ...

Pour 1 cup of baking soda into the drain, followed by 1 cup of vinegar. Let it fizz for 15 minutes, then flush with hot water. Boiling water works wonders. If the clog persists, carefully pour boiling ...