I finally solved my sour cold brew issue

I used to brew cold brew that always tasted sour after a day. I found out I was letting it sit out too long. After a few bad batches, I learned that air was ruining it. Now, I put it in the fridge for 12 hours instead of leaving it out for 24. This keeps the flavor good for a whole week. Last batch I prepared was still great after five days. If your cold brew turns sour, try steeping it in the fridge.

3 comments

3 Comments

wade9152mo ago

Heard sour cold brew turns sour from air, doesn't it?

faithp362mo ago

Makes sense since oxygen gets to it. That oxidation turns the flavors sour, kind of like how an apple browns. Keeping it sealed tight is key.

the_hannah1mo ago

Read an article that said exactly what @wade915 mentioned. The sour taste happens because air gets in and starts breaking down the coffee. It's not just about time, it's about keeping oxygen out. That's why the fridge method works so much better, it slows everything down. A tight lid is just as important as the cold temperature. My coffee got way better once I focused on keeping air away from it.