Now, over 25 years later, it's a household staple across the country. Today, Keurig offers several models for every kind of coffee drinker and a list of K-Cup options as long as a Cheesecake Factory ...

Hard water is also naturally high in dissolved minerals like calcium and magnesium, which can build up and block the lines inside your Keurig faster. Investing in a filtered water jug can extend ...