1. There's Dr. Sutter's Coke Flush. Details easy to find on curezone. Sutter clains that the Phosphoric Acid he prescribes will loosen the various ductwork but I don't know for sure about this.
2. If you don't mind Magnesium Citrate in concentrate liquid form, you can get a little bottle of it at the drugstore. It is used, I believe, for cleaning out the bowel before certain medical procedures.
3. Good luck in your flushing! I hate the epsom salt, too. I had a very fine flush with the Coke Flush.