Besides the actual coffee that you select to brew with, water is the most important element that goes into a cup of coffee. The mineral content and ph level of the water you use, can have drastic effects on the finished product. Using the wrong water can ruin a beautiful coffee and nobody wants to see that happen.
At the most basic level, water chemistry isn’t a huge deal. Conventional coffee wisdom is, if your water tastes good for drinking, it will taste good for coffee. To a certain extent this is truth.
Here are a few basic coffee water brewing principles, if you think you have a water problem, start here.