Note: 1)Too coarse a grind, too little coffee, or insufficiently tamping the grounds before brewing can all lead to inadequate pressure for a proper brew. 2)It is important to note that the amount of espresso extracted will vary depending on the grind size and amount and reprogramming may be needed when the size and amount are adjusted THE MAGIC IS IN THE MEASUREMENTS: The simple measuring system with included scoop makes it easy to brew the perfect ratio of hot, concentrated coffee over a full tumbler of ice, ensuring bold, flavorful coffee that’s never watered down BREW AT HOME, SAVE MONEY: By making your own iced coffee at home, you can skip the lines, and save big, too. EASY TO MAKE, EASY TO CUSTOMIZE: Make refreshing iced coffee at home—just add water and coffee grounds to the machine, ice to the tumbler, and brew; customize with your favorite flavorings and milks, for a perfect, flavorful iced coffee just how you like it CONSISTENTLY GREAT TASTE: Easy-to-use measuring scoop and tumbler markings for consistently great taste LESS MESS: Drip-stop function prevents mess on your counter REUSABLE TUMBLER AND COFFEE FILTER: Double-wall insulated, BPA-free tumbler keeps iced coffee colder longer and reduces sweating, plus includes a lid and straw (tumbler is hand-wash only); also includes a reusable nylon coffee filter, so there's no need for paper filters