An electric kettle is one of the few appliances I keep out on my counter. I use it almost daily for hot or iced tea, depending on the season. (My current model, and our best overall pick ...

It can be a teaspoon-ish if you have a small kettle (under a liter), a tablespoon-ish if you have a large one (over a liter). Step 3: Let your DIY solution sit for about 10 minutes, then rinse ...