Party Summary 🪩 Here's the topline before breaking it down in more depth for ya:
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Coffee stales through oxygen, light, heat and time.
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Freshness affects sweetness, aroma and balance.
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Smart storage and smaller bag sizes keep coffee tasting its best.
Ok, you're still here: so you're after more than just the topline. We're into it. Let's go into a little more depth. Let's start a little video from Kirby.
What “stale” actually means
Stale coffee isn’t dangerous — just flat, bitter or lifeless.
Key causes:
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Oxygen exposure
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Old roast dates
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Ground too early
How fast coffee stales
| Post-Roast | What happens |
|---|---|
| 0–14 days | Peak flavour |
| 2–6 weeks | Gradual decline |
| 6+ weeks | Dull, bitter, flat |
Grinding accelerates this massively.
How to slow staling at home
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Store airtight, cool, dark
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Grind just before brewing
Avoid:
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Fridge/freezer storage
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Clear containers
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Heat sources
Why we use 100 g bags
Freshness beats quantity.
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Try more coffees, for less
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Waste less
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Drink everything at peak freshness
It’s our build on the third-wave approach that makes sense at home.
Final thought
Coffee won’t stay amazing forever — but manage it well, and every cup gets better.