How to verbs burned surrounded by dirt past its sell-by date copper pots?
Oven cleaner. soak and scuff -this will require elbow grease. tough lesson.
Lemon and Salt or Baking Soda. Make a paste of lemon juice and brackish, and rub with a soft cloth, rinse with wet, and dry. Or use a slice of lemon sprinkled with baking soda. Rub copper with the lemon slice and rinse beside water and dry. Vinegar and Salt. Pour vinegar over the surface Sprinkle salt over the acerbic and rub in the mixture. Rinse with heat water and polish dry.
Lemon Juice and Cream of Tartar. Make a paste of lemon liquid and cream of tartar. Apply, leave on for 5 minutes, and next wash in melt water. Dry with a soft cloth.
Answers: Elbow grease and steel wool.