Coffee Knowledge - All Things Coffee
Espresso Tamper FAQ: Size, Tamping, Channeling and Vibration
A concise espresso tamper FAQ covering size, 58.45 mm, tamping pressure, channeling, WDT, precision baskets...
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Why light roasts demand more precision
Light roasts can require more precise adjustment of grind size, brew ratio, temperature and puck...
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Espresso running too fast or too slow: Correctly identifying the causes
If espresso runs too fast or too slowly, grind size, dose, channeling, basket geometry, tamper...
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WDT, Levelers and Vibration Tampers: Comparing Puck Preparation Methods
WDT, levelers and vibration tampers address different stages of puck preparation. Learn what each tool...
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Espresso Basket Hole Count: Geometry, Open Area and Flow
Hole count alone does not explain how an espresso basket behaves. Hole diameter, distribution, open...
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What Is a Precision Basket and Is It Worth Upgrading?
Precision baskets differ through controlled geometry, hole patterns and manufacturing tolerances. Learn how they affect...
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High Extraction Espresso Baskets: Geometry, Flow and Recipe
High extraction baskets change the hydraulic conditions of espresso extraction through their geometry and open...
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more tamping pressure does not mean better espresso
Tamping force affects coffee-bed compaction, but there is no universal ideal value in kilograms. Even...
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Channeling in espresso – and why does it occur?
Channeling describes preferential water paths through areas of lower hydraulic resistance. Causes can include grind...
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How does a vibration tamper work?
A vibration tamper combines tamping with controlled vibration. This can allow coffee particles to rearrange...
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58.45mm tamper benefits for precision baskets
58.45 mm can provide high surface coverage in many modern precision baskets. The actual internal...
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Espresso instability despite tamping: the role of basket geometry
Even with clean tamping, espresso can still vary. This article explains how puck preparation, water...
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