Blog
Espresso guides, machine reviews, and barista technique from Papel Espresso — practical articles on dialing in shots, troubleshooting channeling, and machine care.
How to Manage Temperature Stability on the La Peppina
Mastering the La Peppina: A guide to temperature stability The La Peppina is a marvel of mid-century design, a classic spring-lever espresso machine beloved for its simplicity and the exceptional shots it can produce. However, its unique open-kettle design presents a significant challenge that new and even experienced owners must overcome: temperature stability. Unlike modern […]
Troubleshooting Low Steam Pressure Issues on Your La Marzocco Home Machine
Your guide to troubleshooting low steam pressure on a La Marzocco Home machine There are few things more satisfying for a home barista than pulling a perfect shot of espresso and steaming silky, velvety milk for a latte or cappuccino. But when you open the steam valve and are met with a weak, sputtering hiss […]
How to Achieve Consistent Extraction When Using High-Flow Precision Baskets
Mastering the flow: A guide to consistent extraction with high-flow precision baskets Upgrading to a high-flow precision espresso basket, like those from VST or IMS, is a popular step for enthusiasts seeking to elevate their coffee. These tools promise higher extraction yields, improved flavour clarity, and shot-to-shot consistency. However, many baristas are quickly humbled when […]
The Impact of Precision Shower Screen Upgrades on Water Distribution
The relentless pursuit of the perfect espresso shot drives baristas and home enthusiasts to scrutinize every variable, from bean origin and grind size to tamping pressure and water temperature. Yet, a small, often overlooked component inside the group head plays a monumental role in the final result: the shower screen. This perforated metal disc is […]
How to Store Espresso Beans to Maintain Peak Freshness for Saturated Groups
Investing in an espresso machine with a saturated grouphead is a testament to your commitment to quality coffee. These machines offer unparalleled temperature stability, creating a controlled environment where the only variables should be your skill and your beans. However, even the most advanced equipment is at the mercy of its primary ingredient: the coffee […]
Why Your Pump Pressure Gauge Might Be Fluctuating During Extraction
You have dialed in your grinder, meticulously prepared your coffee puck, and locked the portafilter into the group head with a sense of anticipation. You engage the pump, expecting to see the pressure gauge needle climb smoothly to a steady 9 bars. Instead, the needle begins to dance, jumping and dipping erratically throughout the extraction. […]
How to Clean Your 3-Way Solenoid Valve to Prevent Espresso Leaks
A persistent drip from your espresso machine’s group head is more than just an annoyance; it’s a sign that a crucial component needs attention. That dripping is often the tell-tale symptom of a dirty 3-way solenoid valve. This small but mighty part is responsible for regulating pressure during and after you pull a shot. When […]
Using a Refractometer to Measure Espresso Extraction Yield at Home
The pursuit of the perfect espresso shot is a journey familiar to every home barista. We meticulously weigh our beans, time our shots, and adjust our grind, all in search of that elusive, balanced cup. Yet, taste remains subjective and replicating a perfect shot can feel like chasing a ghost. What if you could add […]
Why Your Pump Pressure Gauge Might Be Fluctuating During Extraction
Watching the pressure gauge on your espresso machine is a key part of the coffee-making ritual. For many enthusiasts, seeing that needle climb to a steady 9 bars is a sign that everything is going right. So, when it starts to fluctuate, bounce, or drop unexpectedly during an extraction, it can be both confusing and […]
How to Clean Your 3-Way Solenoid Valve to Prevent Espresso Leaks
A persistent drip from your espresso machine’s group head is more than just an annoyance; it’s often a cry for help from a critical component: the 3-way solenoid valve. This small but mighty part is the traffic cop of your machine, directing water flow and releasing pressure. When it gets clogged with coffee oils and […]