To keep sink drains smelling good: once a month, sprinkle 1/4 cup baking soda into drain, follow with a cup of white vinegar. Let this bubble up and work for about 5 minutes. Next pour a cup of boiling water into drain Leave for another 5 minutes, then flush down with running water.
By ruthvalleygal from Harlingen, TX
By abbalina (Guest Post) 10/13/2008
I've tried this before and it works great.