Does your sink drain have bad breath? Sink stink is common in both bathroom and kitchen sinks. Fortunately, the plumbing and drain experts at Roto-Rooter are sharing some of their knowledge so that you can get rid of stinky sink drain odors with common ingredients you probably have in your house. It's basic chemistry to get a fizzy reaction from baking soda and vinegar. This combo works remarkably well to freshen sink drains and dissolve minor clogs. Watch for more sink stink remedies from Roto-Rooter.