Make your morning routine much easier without sacrificing quality when you have the Ratio Six One-Button Coffee Maker. This coffee machine brews a great cup of pour-over coffee with the touch of a button. So if you’re accustomed to delicious coffee every morning, the Ratio Six will give it to you. In fact, it actually simulates a barista’s movements, managing the ideal water flow throughout both the bloom and brew phases. Thanks to its 40-ounce capacity, this coffee brewing machine..