What is the 15-15-15 coffee rule?
What is the 15-15-15 coffee rule? There is something called the 15/15/15/15 rule of thumb. Non-roasted beans will stale in 15 months. Roasted beans will stale in 15 days. Ground coffee stales in 15 minutes. The Rule goes like this: Green coffee lasts about 15 months before it goes stale. Roasted coffee lasts about 15 […]
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