Intriguing, but uses a ridiculous amount of beans! I have a Chemex and use a 15:1 ratio, using 20 gms beans to 300 gms water. I drink 2 cups of this daily, pretty much. If I used 50 gms per cup, or 100 gms daily, my 12 ounce bag of local fresh roasted beans would only last 3 1/2 days...