Water, vinegar and baking soda. Mix the soda and vinegar in a container and quickly pour the contents down the drain while the reaction is happening. After 30 minutes, pour boiling water over everything.
Salt, ice and lemon. Drop a couple of ice cubes and some salt into the drain. Finally, add some lemon zest to enhance the scent.
White vinegar and baking soda. Take a glass of baking soda and vinegar, combine and after the reaction occurs, pour it down the drain.
Previously, we wrote about what things should not be stored under the sink.