What kinds of items should not be put into a sink waste dispenser

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With some of the advanced food waste dispensers available today claiming to grind "anything" and do so quietly, it may be tempting to skip regular waste disposal, especially if taking the garbage out is not the most pleasant of chores.

While common sense dictates that bottles, cans or utensils (I didn't make the last one up) should not end up in a sink waste dispenser, what innocent-looking items should not end up there either?

Best Answer

From the operation manual of the most expensive Insinkerator:

This product is designed to dispose of normal household food waste; inserting materials other than food waste into disposer could cause personal injury and/or property damage.

Not a surprising disclaimer.

Do not put the following into a disposer: clam or oyster shells, caustic drain cleaners or similar products, glass, china, or plastic, metal (such as bottle caps, steel shot, tin cans, or utensils), hot grease or other hot liquids.

Why no hot grease though?

Do not dispose of the following in the disposer: paints, solvents, household cleaners and chemicals, automotive fluids, plastic wrap.