Grab a FREE Issue sample of Extracted Magazine – https://www.extractedmagazine.com/download-craft-espresso/ ‘The bloom’ is the event of coffee releasing gas after initial water contact, when brewing – in a pour over or drip it’s important to consider this step in the process in order to have greater flavor in your cup. Check out Extracted Magazine for more coffee goodness – http://www.extractedmagazine.com/the-magazine