The kitchen sink had been clogged, but not completely, for several months. We thought the problem had been solved a few months ago when a friend did some work on the basement drain pipe, but just three days before Thanksgiving and a house full of guests, I ran the water for a minute or so, and... Oh no! The double sink backed up! In desperation I went to a local hardware store and bought some over-the-counter, heavy-duty drain cleaner. I followed directions, but the problem persisted.
more