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How do Ion Exchange Water Filters Work?

How do ion exchange water filters work?   We all know that hard water is the enemy of good coffee - it can make coffee taste heavy, chalky, and dull, and will wreak havoc with your equipment too. Ion exchange water filters are the most common method for reducing...

Why Does Cold Brew Taste Different?

Why Does Cold Brew Taste Different? Cold brewed coffee tastes quite different to the same coffee brewed hot, then chilled. It tastes considerably less acidic, with more ‘brown’ flavours (on the spectrum from chocolate to rubber), and generally few of the complex...

Do you Have any Recommendations for the Maintenance of Cloth Filters?

Do you have any recommendations for the maintenance of cloth filters? If you’ve ever used cloth filters, then you’ve probably experienced this: your first few brews are fantastic - full bodied, with a distinctive silky mouthfeel, but great clarity. The next day, the...

Why can Coffee Dry Your Mouth?

Why can coffee dry your mouth? Does it have anything to do with over extraction?   Dryness - or astringency? The dry feeling in the mouth that you can sometimes get after drinking coffee is properly called ‘astringency’. This is a dry, sandy feeling on the tongue...

A BH Protocol for Measuring Grind Retention

Measuring Grind Retention   All grinder designs take a little time to dispense the coffee they have ground. In lesson B1 2.04 of the Barista One course and certification, we suggested a protocol for measuring grind retention. We liked it so much that we decided...

Knowledgebase

  Have a Coffee Question? There's 84 videos and 185 lessons in here. We may have answered it already...  Browse the Knowledgebase Knowledgebase is where we publish our answers to extra-curricular coffee questions.  Ask and Vote...