Category Archives: 1st-line’s Espresso Blog

My Espresso Machine Pump Makes a Weird Noise!

Over time, one may notice the pump on an espresso machine change its sound or make weird noise or noises while pumping. This should be investigated before it can become worse, or even damage other parts, like the heating element in an espresso machine. On vibration pump espresso machines, the pump noise is always different […]

WARNING! READ FIRST! Elektra Semiautomatica Startup

WARNING! READ FIRST! Elektra Semiautomatica Startup Congratulations on purchasing an Elektra Semiautomatica. I’m sure you are very eager to plug in and start making espressos and cappuccinos. However, it is very important to read and follow the steps below. A lot has happened from the Elektra facility in Europe to this beautiful machine showing up […]

Backflush Detergent versus Descaler

Being in this industry for over 25 years, we find many customers confuse back flush detergent and descaler. Back flush detergent is also called back wash (backwash) detergent and should be used regularly on machines that are capable to be backflushed. We do have instructions that can be used as guidance, but the manufacturer of […]

Why does my espresso machine’s water taste metallic?

If your espresso machine is producing coffee or emits water that tastes like metallic water, it could be due to a few potential issues: Water Quality:  Most likely, the water you’re using might be causing the metallic taste. Certain waters, which may have a low ppm TDS (under 80), the water may be leaching the […]

How often & how should I clean my espresso machine water tank?

Most important, we do not recommend placing any espresso machine components, including a water reservoir/water tank, into a dishwasher appliance unless specifically specified in the owners manual. Even in these cases, we do not recommend because too hot water can cause a meltdown which will not be covered under any warranty. The water tank or […]

Do espresso grinders need NSF approvals

NSF stands for the National Sanitation Foundation, now known as NSF International. It is a global organization that develops public health standards and certification programs to ensure the safety and quality of products and systems. NSF certification is widely recognized in various industries, including food service, water filtration, and consumer goods.. In most cases, espresso […]

Open a Coffee Shop with Commercial Espresso Equipment

A Carimali Bubble 2 Group Commercial Espresso Machine (120V or 230V) with a reflective stainless steel finish and several white espresso cups stacked on top. © 2025 1st-line.com

Quality commercial espresso equipment is essential for coffee shops, restaurants, and any establishment that serves high-quality espresso drinks. Here’s a breakdown of some key equipment types and features you might consider: 1. Espresso Machines Single Boiler: Good for small operations or where space is limited. They can brew espresso and steam milk, but not simultaneously. […]

Technical Support – Pump/Gauge Oscillating

Customer issue: Why do the pump and respective brew pressure gauge oscillate during an espresso extraction on traditional espresso machines (not super automatics)? This is typically for vibration pump espresso machines, not rotary ones. The usual suspect is the grind fineness not being consistent or coffee beans that are too fresh (not degassed, but to […]

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