How Long Will My Coffee Extract Last In The Fridge? For optimal flavor and freshness, you can store your cold brew coffee extract for up to 2 weeks in the refrigerator. Related articles Re-Brewing Your Grounds A Second Time How Many Cups Of Coffee Does The BOD® Make Per Pound? How Much Coffee Extract Does The BOD™ Make? Use Caution When Using Freshly Roasted Beans & Off Gassing My Timer Doesn't Work?