Electric kettles often have a capacity of 1.5 to 1.7 liters, or around 6 to 7 cups, so this solution may require as much as 1½ cups of lemon juice. You might need up to two pounds of lemons ...

Once you have an electric kettle, chances are you’ll never go back to the stovetop model that whistles when the water reaches the boiling point and hisses until you take it off the heat. With ...