According to most garbage disposal manufacturer guidelines, there are several items that should not be put into a garbage disposal. These include:
1. Non-food items: garbage disposals are designed to handle food waste only. Non-food items such as plastic, metal, glass, or paper should not be disposed of in the garbage disposal.
2. Hard or dense materials: Avoid putting hard or dense items like bones, fruit pits, shells, or coffee grounds in the disposal. These can damage the blades or cause clogs.
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