How long can I leave coffee in a thermos?
How long can I leave coffee in a thermos? Most high-quality vacuum-insulated SuS 304 stainless steel cups can keep liquids hot for 6 to 12 hours, depending on the model. But while the temperature holds, the flavor doesn’t. Coffee tastes best within 2 to 4 hours after brewing. Brewed coffee starts to go stale within […]
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