Some of the most heroic moments in a contractor’s life take place when he or she comes to the rescue after a homeowner has tried everything to unstop a drain. By then, the sink, tub or bowl is filled with a primordial soup of drain refuse, caustic chemicals and scum. It’s time to bring in the heavy artillery in the form of powered drain cleaners that snake to the clog and take it out mechanically.Blockages vary, and any drain-cleaning professional with a few years’ experience has some favorite stories about customers’ clogs and what they tried to do to get







