Zirkus Espresso Tool Guide
Is a Bottomless Portafilter Better?
A bottomless portafilter provides a clear view of espresso extraction, making it easier to identify channeling and improve puck preparation. However, it does not automatically produce better-tastin...
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What Size Portafilter is in the Breville Bambino? A 54mm Fit Guide
The Breville Bambino BES450 and Bambino Plus BES500 both use a 54mm portafilter. This article explains the difference between 54mm and other common sizes, why not every 54mm replacement will fit, a...
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How to Tamp Espresso: A Practical Method for Even, Repeatable Shots
Tamping is one of the simplest steps in espresso preparation, but it has a major effect on how evenly water moves through the coffee bed. A good tamp helps create a flat, firm puck that supports st...
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What is a Knock Box? Uses, Parts, and Home Espresso Benefits
A knock box is a dedicated espresso accessory used to remove and collect spent coffee pucks from a portafilter after brewing. This article explains what a knock box is, what it is used for, how the...
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Portafilter Size Guide: How to Choose the Right Size for Your Espresso Machine
This blog will guide you on how to choose the size of a portafilter.
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The Complete Guide to Portafilter: Types, Sizes & Cleaning
In this complete guide, you will learn what a portafilter is, how different types work, how to choose the correct size, how to clean your portafilter, and how to fix the most common portafilter-rel...
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Is 30 lbs Really the Golden Rule for Coffee Tamping?
Every barista has heard it: tamp with 30 pounds of pressure. But this number was built for the classroom, not the portafilter. We break down where the rule came from, what tamping actually does to ...
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What Is a WDT Tool? Beginner’s Guide to Using a WDT Tool for Espresso
Wondering what a WDT tool is, if you need one, or how to use it for better espresso? This beginner’s guide breaks down the basics of the WDT (Weiss Distribution Technique) tool, explains its key b...
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The Ultimate Guide to Coffee Tamper: Types, Sizing, and Technique
This guide elaborates on coffee tampers, the core tool for quality espresso. It explains the definition and purpose of tamper coffee, categorizes types like manual, spring-loaded, cali...
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