Slowly pour the boiling water directly into the drain to soften grease and loosen debris. This prepares the clog for the chemical reaction.
Remove the cover and pour another kettle of boiling water down the drain to flush away the loosened material.
: Use 1 cup of lemon juice instead of vinegar for a similar acidic reaction and a fresher scent. The Spruce +3 AI can make mistakes, so double-check responses Copy Creating a public link... You can now share this thread with others Good response Bad response 13 sites Learn How to Unclog a Drain With Baking Soda and Vinegar Jan 28, 2026 — how to unclog kitchen sink with baking soda and vinegar
It is safer for homes with children and pets as it doesn't emit harmful fumes.
Pour down the drain. Immediately cover the drain with the stopper or a wet rag. Slowly pour the boiling water directly into the
Baking soda (sodium bicarbonate) is a natural disinfectant that neutralizes smelly odors in stinky drains.
If the sink is partially or fully clogged, remove as much standing water as possible (using a cup or bucket). The reaction works best when it directly contacts the clog. : Use 1 cup of lemon juice instead
Allow the reaction to work. For tough clogs, wait up to 30 minutes.
After the time has passed, boil another kettle of water (or run the hot tap water). Remove the stopper and pour the hot water down the drain to flush away the loosened debris.