OK, promise not to laugh??? We used to use Diet Coke to unclog blocked feeding tubes (for adults only, of course). It had to be specifically Coke ... and I tell you, it worked! The phosphoric acid in it would eat through anything. Most of our clog problems were due to having to give medications through the tubes as well as the food ... and many meds come as whole tablets that were impossible to crush into small enough bits to pass through the openings at the end of the tube.

Doreen