In this video tutorial, viewers learn how to maintain a garbage disposal. When using the garbage disposal, always run cold water before using it. Put the debris one by one. Do not stuff it all in at once. When finished, turn the disposal off and let the water run for a while to wash all the debris down the waste line. Do not grind stringy items. It is fine to grind hard food waste. This video also talks about the common problems that people encounter when using a garbage disposal. This video will benefit those viewers who have a garbage disposal and would like to learn how to properly use it.