Are bones and egg shells good or bad for the garbage disposal?

You may have heard that debris like chicken bones and egg shells are good to put into your garbage disposal from time to time...

...as they help sharpen the blades. On the other hand, you may have heard that chicken bones and egg shells are the worst things to put in there. So which is it? Consumer Reports finally gets to the bottom of the debate. Their experts say both of them take a long time to decompose and once they’re chopped up, deposits can get stuck in traps and sections of pipe, causing blockage. It’s best to skip bones and shells in your disposal.