 I can tell you right now that he missed something in the tub because all those plumbing lines come together in that same general area. And if you've got flow from the toilet and the sinks and everything else, but not the tub, it's going to be the tub itself. When it comes to clearing drains, my experience has been that plumbers are not the best ones to do that. Generally, you're better off to go with a specialty plumber that does drain cleaning. They have the tools, the equipment, and the knowledge to get that done. And sometimes the day-to-day plumbers, if it's a simple clog, they can clear it.