[header] How to use citrus peels around the house [title] Swirl lemon peels, ice, and salt in your coffee pot. [step] If you're a coffee drinker, you've dealt with stained coffee pots. Add the peel from a least one lemon, three tablespoons of salt, and two cups of ice to coffee pot. 
Swirl it for two minutes and watch the stains fade away. Rinse the coffee pot with cool water afterward.