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The Siip Blog

Guides to coffee, stories from where it grows, and news from Siip.

A cortado in a glass on a marble table, with a long shadow in the afternoon sun
Siip Coffee 101

How Long Do Coffee Beans Last?

Coffee is at its best from about two to three weeks after roasting and stays good for around four months in a sealed bag. Once opened, it fades over a few weeks. How to store it, and what the dates on the bag mean.

3 min read

Siip Coffee 101

New to coffee? Start with the basics.

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A hand holding a cortado in a glass in a dimly lit cafe
Coffee Data

Do You Get Pickier About Coffee Over Time?

People love 4 in 10 of the first coffees they rate. Ten coffees later it is 3 in 10, and the share they do not enjoy has doubled. Why that is good news.

3 min read
A globe with the coffee belt marked between the Tropic of Cancer and the Tropic of Capricorn
Siip Coffee 101

The Coffee Belt: Where Coffee Grows, and Why

Nearly all of the world's coffee grows in one band around the equator. Turn the globe to see the countries inside it and what their coffee tastes like.

7 min read
A latte held up in a cafe next to a Siip taste profile: about your taste, the flavors you like most (berries, chocolate, nutty) and your top countries (Brazil, Colombia, Ethiopia)
Coffee Data

What We're Learning From Your Scans

Every coffee you scan in Siip adds to a picture of what people are drinking. The roasts, origins, farms, processes and flavors that stood out in early 2025.

3 min read
A cup of coffee on a wooden board next to a Siip taste profile
Inside Siip

Why Siip Subscribers Rate Each Box Higher

62% of first-box coffees are rated liked or loved. By the fourth box it is 86%. Here is how Siip's coffee subscription learns your taste, and what subscribers say about it.

6 min read
Terraced fields below a volcano in Indonesia
Origins

Indonesian Coffee: Sumatra, Wet Hulling and What's New

Indonesian coffee, from the wet-hulled Sumatras it is known for to the new experimental lots, through the eyes of coffee importer Evan Gilman.

2 min read
The Siip app showing a coffee farmer's page, held over a cup of coffee
Siip Coffee 101

Making Better Choices for More Sustainable Coffee

Throughout years working across the coffee value chain, people have asked us: what is the most sustainably grown coffee? It is an important question, but also a complicated one.

3 min read
A cup of coffee on a wooden board next to the Siip app scanning a bag of coffee
Inside Siip

Why We Built Siip

Two reasons we started Siip: to make great coffee easier to understand, and to give the people who grow it the recognition they deserve.

3 min read
A pour-over brewing into a glass server on a sunlit wooden table
Siip Coffee 101

The Complete Guide to Coffee Brewing Methods: Finding Your Perfect Cup

Pour-over, French press, moka pot, AeroPress: what each brewing method does to your coffee, and how to pick the one that suits you.

7 min read
A hand holding ripe red coffee cherries
Siip Coffee 101

Coffee Processing Methods, Explained

Washed, natural, honey, anaerobic: what the processing words on a coffee bag mean, and how each one changes the taste in your cup.

6 min read