Most homeowners probably don't spend too much time thinking about their food waste until it causes a problem, like smelly garbage, an overflowing refrigerator, or spills in the kitchen. These messes are easy to clean up, but when certain foods find their way into the garbage disposal, major plumbing issues can occur. It's okay to dump scraps and small amounts of leftovers into the disposal, but it's important not to confuse the garbage disposal with the garbage can. Learn which food items aren't safe to rinse down the drain.