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Wine Aerators

Do these devices deliver on their promise to improve the flavor of wine? We tested five to find out.

What We Learned

When you open a bottle of red wine, you can either wait the standard 10 to 30 minutes for it to “breathe,” or you can use a new device called a wine aerator. Held above a wine glass or inserted into a bottle, these devices are designed to expose the wine to air while you pour, speeding up their interaction, a process that can improve the flavor of wine.

We poured a 2005 Bordea...