Fix a smelly drain in just a few minutes using baking soda, boiling water and white vinegar. The baking soda absorbs the unpleasant odors and the boiling water helps to dissolve any grease buildup in the drain that causes the smell to return.Continue Reading
Pour 1 cup of baking soda down the drain. Leave it there for at least 5 minutes. Do not turn on the water.
Add water to your largest pot. Place it on the stove over high heat, and bring the water to a boil. Pour the boiling water down the drain.
Turn on the hot water tap and run the water until it is hot. Turn off the water. Pour 1 cup of undiluted white vinegar down the drain. Immediately turn on the hot water again, and allow to run for 5 minutes to rinse the smell down the drain.
Unless you have a garbage disposal, do not pour food down the drain. Use a drain strainer to prevent food particles from moving into the trap when draining dirty water from the dishes. If you do have a garbage disposal, cut a lemon in half and run it through once per month to keep the drain smelling fresh.