What NOT to Include in Compost (Allaina Siler, Ku Kim, Delaney Williams)

What you CAN’T compost:

  • Meat (and anything that came in contact with meat),  dairy and bones
    • Animal products such as meat have the potential for carrying diseases, and they could potentially attract rodents.   
  • Fats and oils (such as peanut oil, canola/ vegetable oil, etc)
    • The oils may attract pests and rodents
  • Walnuts
    • Contain juglone, a compound toxic to some plants
  • Eggs and dairy products
    • Attract pests
  • Cigarette butts
    • Made of plastic
  • Store bought shampoos/soaps
    • Chemicals and dyes contaminate the compost
  • Baked goods
    • Due to their oils that would attract pests such as rodents and ants
  • Human and animal Feces
    • Due to harmful bacteria and the possibility of parasites and infectious diseases
  • Specific types of water:
    • Soapy water from baths/showers or washing cars
    • Dishwater from washing up
    • Washing machine waste water
    • Waste water from the toilet
    • Flood water
    • Water contaminated with bleach or other cleaning agents
    • Water contaminated with petrol or oils
  • Rice
    • Attracts unwanted bacteria and pests
  • Anything made of inorganic material: polyester, rubber, acrylic, plastic
    • Take a very long time to compost
  • Bits of clothing
    • They contain dyes and chemicals that would be harmful
  • Baked beans
    • Worms which might help with decomposition don’t like baked beans, they shouldn’t be included
  • Specific types of paper
    • Glossy or coated paper (that are treated with chemicals)
    • Colored paper
  • Dryer lint and contents from vacuum cleaner
    • Contaminate compost
  • Personal hygiene products: tampons, feminine napkins
    • Potential health risk with bacteria
  • Tea and Coffee Bags
    • While tea leaves and ground coffee can be composted, their bags shouldn’t be in the pile, as they have harmful chemicals and are difficult to decompose.