Promising review: "I bought this for my iced coffee–loving boyfriend as a gift, and we both love it. It requires quite a bit of coffee (six tablespoons of beans pre-ground), but that's because it makes cold brew concentrate. You dilute it with water (hot or cold), milk, or ice to your strength liking. You can keep the cold brew in the fridge for up to two weeks — not that it lasts us that long." —M. McCollam
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