HuffPost may receive a commission from some purchases made via links on this page. Every item is independently curated by the HuffPost Shopping team. Prices and availability are subject to change. Drew Frohn, a wholesale manager and coffee educator for Coava Coffee Roasters , once told HuffPost that a good cup of coffee starts with water quality. Considering that coffee is 98% water, that’s important to know. However, it doesn’t matter how hard or soft or filtered your water is: Over time, your