Article / Updated 03-26-2016
Composting isn't a free-for-all. You can't toss in anything and everything you come across waste-wise and expect it to produce usable, healthy compost. Some materials definitely don't qualify as compost ingredients because they contain pathogens, attract pests, or cause other problems. Save yourself hassles and headaches by keeping the following items out of your composting operation: Meat, bones, grease, fats, oils, and dairy products: They turn rancid and smelly and attract dogs, cats, raccoons, foxes, and rodents.