You know that moment when you've done everything "right" – yet somehow your brew still tastes flat or astringent?If you're like most coffee enthusiasts, you've probably blamed yourself, your technique, or your equipment. But here's the unfortunate truth: It's most likely your water that is sabotaging your coffee's full potential.Even with the most expensive unimodal flat burr grinder and expensive beans, the wrong water can cap your coffee's potential at 70%. But with the right water? It ca...
