Why Your Garbage Disposal Could Ruin The FeastNothing could ruin your big holiday dinner more than something not working correctly, and your garbage disposal is probably one of the last things you'd think to check. a person putting cucumber peels down a garbage disposal Canva loading...10 Things You Should Never Put In Your DisposalWe all know not to put silverware down the disposal, but there are foods and other items that shouldn't go in there as well. As you scroll through our list found below, you might find a few things that you have been putting in the garbage disposal for years without realizing it was damaging your disposal. What Not To Put In Your Garbage Disposal (Full List)To be honest, I am guilty of putting eggshells down our garbage disposal, as I heard it helped clean it, but it turns out that was wrong. LOOK: 10 Items You Should Never Put Down Your Garbage Disposal Your garbage disposal is an amazing tool but it can be pretty picky.