By John Laumer of Treehugger

One of our readers posed this very question. We imagine it’s a common one, especially for anyone who has just read the label on a bottle of caustic drain cleaner. If kitchen drain plugging is a regular problem, a pencil or other object in the drain pipe could be the ‘root cause’. Also, some plastic plumbing parts are made with interior tangs that snag things. You may need a plumber or an experienced friend to help disassemble, examine, and possibly replace some parts.