I've been researching the topic "best water for coffee" -- and coming up somewhat mixed suggestions. Many web articles say tap water is fine (may be best because it has ideal balance of minerals, etc.)
I used to use distilled, and that tasted good (to me). Heeding the various comments on...
It's been about four years since I used TJ's Colombian Supreme (a Medium Roast). I used to French Press it for about 4mins. And it tasted just fine .
Did the same on some new TJ Colombian Supreme I purch'd a week ago. And it tasted like nothing (water). I tried again, increasing French Press...