- 1). Pour 1 cup of baking soda into the drain, which cleans and removes odor.
- 2). Pour 1 cup of vinegar over the baking soda.
- 3). Cover the drain quickly. A foaming action will occur when the two ingredients combine, which will expand and work its way down the drain, breaking up the clogged substance and cleaning the walls of the pipes.
- 4). Allow the solution to work for 1 hour, and rinse the drain with a pot of boiling water.
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