Run hot tap water for 1–2 minutes. Does it drain freely? If the sink still drains slowly, repeat the process one more time. Some heavy clogs need two treatments.
If there is standing water in the sink, you need to remove as much as possible. The chemical reaction works best when it reaches the clog directly, not diluted by a sink full of water. how to unclog a kitchen sink with baking soda
Baking soda (sodium bicarbonate) is a mild alkali. When combined with vinegar (acetic acid), it creates a fizzing, chemical reaction that produces carbon dioxide gas. This effervescent action creates pressure and turbulence inside the pipe, helping to: Run hot tap water for 1–2 minutes
Immediately cover the drain opening with a . This traps the fizzing reaction inside the pipe, forcing the pressure downward into the clog rather than letting it escape out the top of the sink. Some heavy clogs need two treatments
Many plumbing professionals publish white papers advising against this method. This is arguably the most "useful" paper because it prevents you from damaging your pipes.
Boil a full kettle of water. You will use this later. While it's heating, run the hottest tap water you can for 30 seconds to warm up the pipes (this helps loosen grease).
To unclog a kitchen sink using baking soda, the most common and effective method involves a fizzy chemical reaction with white vinegar to break down organic buildup like grease and food particles.