Cold brew coffee has become increasingly popular in recent years, thanks to its smooth, rich flavor and lower acidity. Unlike traditional hot coffee, which is brewed quickly with hot water, cold brew coffee is made by steeping coffee grounds in cold water for an extended period of time, typically 12-24 hours. While the brewing process may seem simple, there are several key factors that can impact the quality of your cold brew coffee. In this article, we will discuss the key to brewing great cold brew coffee.