Oops, you probably did not yet taste specialty coffee. That's like only having tasted one kind of red wine but never different grapes, white wine, orange wine, sparkling wine. Just like wine and beer, the world of coffee is super diverse. From the Nutty and Chocolaty flavours associated with Brazilian coffee, the Earthy and Spicy flavours associated with Indonesian coffee to the floral, delicate, black tea like flavors associated with a washed Ethiopian coffee. 

Coffee gets it's initial flavor from the variety of the berry (the bean is the seed of the coffee cherry, a fruit!), the terroir and the processing. 

It's possible that your coffee experience has been limited to commercial blends, which often mix together 15 to 30 different single origin coffees. These blends are crafted for consistency, ensuring that you know exactly what to expect with each cup. While this may seem convenient, it can also lead to a rather uninspiring experience. Imagine only ever drinking one type of tea—wouldn't you crave the excitement of exploring diverse flavors and aromas? Embrace the world of single origin coffees and discover a whole new realm of taste!

Too much of the coffee available today is dull and bitter. Treat yourself to the exceptional flavor you truly deserve.

Did you know that more than 90% of the aroma from ground coffee vanishes within just 15 minutes of grinding? This is why it's crucial to grind your coffee right before you brew it. As a result, the last two-thirds of a bag of pre-ground coffee often tastes much less enjoyable than the first third in the days following the opening of a fresh bag.

Freshly grinding coffee is a cherished practice that our grandmothers embraced. It’s a straightforward task that will soon integrate into your coffee routine. Enjoy this peaceful moment of contemplation and mindfulness as you eagerly await a delightful brew.

Hand-operated grinders are fantastic for your coffee-making routine and are priced between 50 and 500. Their quietness is a significant advantage, especially if you have a baby napping or a partner who is on an important phone call.

Think of hand grinding as a quick exercise, and it will soon turn into a routine, much like choosing to take the stairs over the escalator or lift.

Electric grinders provide a faster grinding experience, with good models starting at about 150. We recommend the Moccamaster KM5, which is handmade in the Netherlands, comes with a 5-year warranty, and is designed for repairability, with spare parts available from WB.coffee.

Among the more visually striking grinders is the popular Fellow Ode brew grinder. It delivers solid performance and is a good investment, but its production in China and the lack of available replacement parts are notable drawbacks.

Coffee Grinders

Cafestol is present in high amounts in certain coffee types, such as espresso, French press, and Turkish coffee, which can elevate LDL cholesterol levels. In contrast, coffee brewed with a fine paper filter significantly reduces cafestol content, making it a healthier choice.

No need to worry; caffeine flows through paper filters, which means filter coffee actually has more caffeine than espresso and energy drinks! It's compatible with a low cholesterol diet and can help in preventing diabetes, particularly when compared to coffee made with metal filters.

Low in calories: high-quality filter coffee is best enjoyed without any additives like milk or sugar, making it a healthy choice (up to 5 cups daily). A typical serving of filter coffee has approximately 2 kcal per 250ml.

Hydration benefits: with over 98% water content, filter coffee hydrates the body nearly as effectively as pure water does.

Loaded with flavonoids (Polyphenols): for the greatest health advantages, filter coffee is a better choice (91.4 mg/serving) than espresso (28 mg/serving). These same advantageous compounds are found in red wine, fruits, and vegetables.​

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Olfactory pathways involved in coffee tasting:

Orthonasal Olfaction: This occurs when aromatic compounds from coffee enter the nose through the nostrils during sniffing. These odorants travel to the olfactory epithelium, where they bind to olfactory receptors, initiating the perception of aroma.

Retronasal Olfaction: During coffee tasting, as you sip and swallow, volatile compounds are released in the mouth and travel up the retronasal passage to the olfactory epithelium. This pathway allows the brain to perceive complex flavors, contributing significantly to the overall coffee tasting experience.

Understanding these pathways is crucial for appreciating the depth and complexity of coffee flavors, as both smell routes contribute to the sensory experience

Do you like tasting tests, experiencing different flavors and drinking tasty coffee?

Join a workshop, masterclas or tasting experience @ Amsterdam Coffee Lab.

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How do we smell (coffee)?

Odor Molecules Enter the Nose: When we inhale, tiny airborne molecules carrying scents enter our nasal cavity. These molecules can also reach the olfactory receptors from the back of the throat while chewing and swallowing (retronasal olfaction), which significantly contributes to our sense of taste.

Dissolving in Mucus: Inside the nasal cavity, these odor molecules dissolve in the mucus that lines the olfactory epithelium, a patch of tissue high up inside the nose.

Binding to Olfactory Receptors: The olfactory epithelium contains millions of olfactory sensory neurons. On the surface of these neurons are cilia, tiny hair-like structures covered in olfactory receptor proteins. Humans have around 400 different types of these receptors.

Lock and Key Mechanism: Each olfactory receptor protein has a specific 3D structure with a binding pocket. Odor molecules with a complementary shape and chemical properties can bind to these receptors, much like a key fitting into a lock. However, a single odor molecule can activate multiple types of receptors, and a single receptor can bind to multiple odor molecules, albeit with varying affinities.

Signal Transduction: When an odor molecule binds to a receptor, it triggers a conformational change in the receptor protein. This initiates a cascade of biochemical events inside the olfactory sensory neuron, ultimately leading to the generation of an electrical signal. This process involves a G protein called Golf and the production of a second messenger, cyclic AMP.

Transmission to the Brain: The electrical signals from the olfactory sensory neurons travel along their axons, which bundle together to form the olfactory nerve (cranial nerve I). These nerves pass through tiny holes in the cribriform plate, a bone separating the nasal cavity from the brain, and reach the olfactory bulb.

Processing in the Olfactory Bulb: The olfactory bulb is the first processing center for smell in the brain. Here, the signals from the olfactory sensory neurons converge onto structures called glomeruli. Each glomerulus receives input from olfactory neurons expressing the same type of receptor. Within the olfactory bulb, these signals are further processed and refined by other neurons (like mitral and tufted cells).

Higher Brain Regions: From the olfactory bulb, the processed information is relayed to various higher brain regions, including the olfactory cortex (for odor identification), the amygdala (for emotional responses to odors), and the hippocampus (for odor-related memories). This direct connection to the limbic system explains why smells can evoke strong emotions and memories

Combinatorial Coding: The brain doesn't recognize a single receptor being activated for a specific smell. Instead, it interprets the pattern of activation across different types of olfactory receptors. This "combinatorial coding" allows us to distinguish an enormous variety of odors, even though we have a limited number of receptor types.

Do you like tasting tests, experiencing different flavors and drinking tasty coffee?

Join a workshop, masterclas or tasting experience @ Amsterdam Coffee Lab.

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You can only taste the five basic tastes. Everything you truly taste is a comination of intensity and balance between the basic taste and smell, texture, etc. You can not taste a melon. Your brain matches a certain combination on sweet, sour and salt with the texture (mouthfeel) and aroma (smell) and tells you this is melon ➡ remember? you tasted this before! 

Now, let's focus on the tongue:

The taste receptors are located in taste buds, which are found within structures called papillae on the surface of the tongue—including the top (dorsal) surface.

There are four main types of papillae on the tongue:

1. Fungiform papillae – These are mushroom-shaped structures located primarily on the tip and sides of the tongue. Each fungiform papilla contains about 3 to 5 taste buds.
2. Foliate papillae - Situated on the lateral sides at the back of the tongue, these papillae appear as ridges and grooves. Each person has about 20 foliate papillae, which contain several hundred taste buds.
3. Circumvallate papillae – These are large, dome-shaped structures arranged in a V-shaped row at the back of the tongue. There are typically 8 to 12 circumvallate papillae, each containing approximately 250 taste buds.
4. Filiform papillae –  These are the most numerous papillae, covering most of the tongue's surface. Unlike the other types, filiform papillae do not contain taste buds; instead, they provide a rough texture to the tongue, they help with texture, temperature and movement of food.

Filiform papillae are rich in mechanoreceptors and thermoreceptors and play a major role in detecting texture and temperature of food.

Taste receptors : Each taste bud within these papillae contains specialized sensory cells that respond to five basic tastes: sweet, sour, salty, bitter, and umami (savory), except for the Filiform papillae that provide information about the texture and temperature (filter coffee, espresso, cold brew). 

Do you like tasting tests, experiencing different flavors and drinking tasty coffee? 

Want to do a basic taste test at home? Order our basic taste test kit here.

Join a workshop, masterclas or tasting experience @ Amsterdam Coffee Lab.

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Who wants a nasty paper taste in their coffee? 

While all paper filters can introduce unpleasant tastes to your coffee, white paper filters are known to minimize these negative flavor effects the most.

Test it yourself if you don't believe the CoffeeNose...

• Take a brown and a white filter and make a little ball out of them. 
• Grab 2 cups. 
• Place each filter in a cup and pour hot water over them. 
• Let it cool... 
• smell and taste the difference.

The difference between our coffee and your old coffee is just as significant. Go for flavor and treat yourself to the tasty coffee blends from WB.coffee.

White filters are now bleached with oxygen, without chemicals.

People often think that brown filters are more natural and better. That's nonsense. Just like brown eggs versus white eggs, that's a myth!

Do you like tasting tests, experiencing different flavors and drinking tasty coffee?

Join a workshop, masterclas or tasting experience @ Amsterdam Coffee Lab.

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Caffeine in Coffee Beverages and Recommended Daily Intake

Caffeine is a natural stimulant found in coffee beans, and its content can vary widely depending on the type of coffee beverage and preparation method.

• 1g of arabica coffee contains roughly 10mg of caffeine
• 1g of robusta coffee contains roughly 20mg of caffeine

For 100% arabica beans these are estimates:

• Brewed coffee (240ml) contains about 80–100 mg of caffeine.
• Espresso (30ml shot ) has approximately 63 mg.
• Instant coffee (240ml) typically has 30–90 mg.
• Decaffeinated coffee (240ml) still contains a small amount, usually 2–15 mg.

For 100% robusta beans these are estimates:

• Brewed coffee (240ml) contains about 160–200 mg of caffeine.
• Espresso (30ml shot ) has approximately 126 mg.
• Instant coffee (240ml) typically has 60–180 mg.
• Decaffeinated coffee (240ml) still contains a small amount, usually 2–15 mg.

Robusta is often used in commerical coffee for the instant coffee production as well as in espresso blends in countries like Italy, Spain, Portugal, France, Switserland, Morocco, Cote d'ivore, Senegal, Vietnam and others.

The level of caffeine in each serving can differ based on the coffee bean variety. For example, This means that caffeine levels can vary from “70mg in a traditional Italian espresso made with arabica to 400mg in a double shot of robusta.”

Factors such as the coffee bean type (Arabica vs. Robusta), roast level, grind, and brewing time all influence caffeine levels. For example, Robusta beans generally have about twice the caffeine of Arabica. Decaffeinated coffee often has a caffeine level of 2mg to 15mg in an 8oz serving. Moreover, naturally low-caffeine types like Laurina and Aramosa are becoming more sought after.

How much is too much?

A maximum daily caffeine intake of 400 mg for most healthy adults, which is roughly equivalent to 3–5 cups of brewed coffee. Exceeding this amount may lead to side effects such as insomnia, anxiety, or increased heart rate.

Pregnant and lactating women are advised to limit their intake to less than 200 mg per day. For children, the recommendation is no more than 2.5 mg of caffeine per kilogram of body weight per day, and the use of caffeine-rich products by children is generally not recommended. Adolescents are advised to consume no more than one caffeine-rich product per day.

That means that if you are pregnant you can safely drink delicious decaf coffee.

Since individuals have varying sensitivities to caffeine, their experiences with its effects can differ significantly.

Genetic factors play a role in this variation, particularly in the enzymes responsible for metabolizing caffeine. For instance, cytochrome P450 enzymes in the liver initiate the process of breaking down caffeine into other compounds.

The length of time caffeine remains active in the body and its intensity of effect can differ widely, making it challenging to determine a specific amount that might induce jitteriness in someone.

Caffeine typically peaks in the bloodstream approximately 30 to 60 minutes after it is consumed.

On average, it takes about five hours for the body to metabolize half of the caffeine consumed, but this duration can range from 1.5 to 9.5 hours based on individual differences.

Caffeine is a molecule that is soluble in both water and lipids, which allows it to be absorbed by various systems in our bodies.

When consumed in moderation, caffeine can enhance alertness, concentration, and physical performance. It stimulates the release of dopamine in the brain, a neurotransmitter that can elevate mood and increase motivation.

Moreover, caffeine has the potential to raise metabolic rate, which can aid in weight loss, improve long-term memory, and support liver detoxification.

There is also research suggesting that moderate caffeine intake may lower the risk of developing certain health conditions, such as Type 2 diabetes, strokes, and diseases affecting the liver and cardiovascular system, as well as Alzheimer's and Parkinson's diseases. However, these effects can vary based on factors like age and biological sex.

Caffeine molecules interact with the body through different mechanisms. For instance, the compounds responsible for increased alertness follow one biochemical pathway, while those that may contribute to heightened anxiety are processed through a different route.

​Caffeine is known to have a diuretic effect, meaning it can increase urine production.

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Here are some fun facts about caffeine:

• It's a widely consumed psychoactive drug: Caffeine is considered the most popular mood-altering drug in the world.

• Coffee isn't the only source: While coffee is a major source, caffeine is naturally found in over 60 plants, including tea leaves, cocoa beans, and kola nuts. It's also added synthetically to some sodas and energy drinks.

• It blocks tiredness: Caffeine works by blocking adenosine, a neurotransmitter that signals to your brain that you're tired.

• It can improve your mood: By blocking adenosine, caffeine can also increase dopamine production, which can lead to feelings of happiness.

• Darker roasts don't always mean more caffeine: Surprisingly, light roast coffee beans often have a higher caffeine content than dark roasts because they are denser.

• Caffeine stays in your system for hours: The half-life of caffeine (the time it takes for your body to eliminate half of it) is around 4 hours, but it can take up to 12 hours to fully clear from your system.

• Withdrawal is a recognized condition: Caffeine withdrawal, with symptoms like headaches, fatigue, and irritability, is recognized as a mental health issue in the DSM-5.

• It can enhance athletic performance: Caffeine can increase physical strength and endurance and reduce fatigue during exercise by increasing calcium release in muscles.

• Tolerance builds up: Regular caffeine consumption can lead to tolerance, meaning you need to consume more to achieve the same effects.

• It was in early versions of Coca-Cola: The original formula for Coca-Cola in the early 1900s had a similar caffeine content to modern energy drinks like Red Bull.

• "Decaf" isn't caffeine-free: Decaffeinated coffee still contains a small amount of caffeine, typically around 2-4 milligrams per cup.

• Some animals can't metabolize it: Dogs, cats, and birds cannot process caffeine properly, so it's harmful to them.

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Acrylamide is a chemical that is produced naturally during the roasting of coffee beans. But why should we be concerned? Since 2002, the detection of acrylamide in various food products, including coffee, has been a topic of investigation due to its potential health risks, which may include carcinogenic effects and possible damage to the nervous system.

Acrylamide forms in coffee due to the Maillard Reaction, a process that involves the interaction of sugars and amino acids, notably Asparagine, at high temperatures. This reaction not only contributes to the unique color and flavor profile of coffee beans but also results in the formation of acrylamide, which is less pleasant in comparison.

Which Type of Coffee Contains the Least Acrylamide?

Extending the roasting time at lower temperatures results in a reduction of harmful compounds in coffee. Many commercial blends and supermarket brands tend to be roasted quickly, as longer roasting processes require more time and consequently increase costs.

Arabica coffee beans produce the least amount of Acrylamide, making a slow, artisanal roasting process preferable as it results in lower Acrylamide levels. Consequently, standard espresso blends tend to have the lowest Acrylamide concentrations as they are often roasted longer than filter coffee blends.

While instant coffee has a lower caffeine content, it actually contains nearly double the amount of Acrylamide compared to regular coffee. The elevated Acrylamide levels are considered minimal and safe for consumption.

When choosing coffee capsules, it's important to pay attention to the type of beans and the roasting method used. Most commercial blends, supermarket capsules and big brands (yes also the Clooney) typically involve rapid heating, which can increase Acrylamide levels. 

Likewise, with coffee pads, the coarseness of the grind is crucial, as finer grounds can lead to a greater extraction of compounds into the brewed coffee.

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What can be worse than a runny, snotty nose when you are hosting a cupping, doing QC work or going for sensory exams? Right a runny... 

A runny nose is a common issue, especially during cold and flu season, and can last up to 10-14 days. It is caused by various triggers, including allergens, viruses, cold air, and environmental irritants like fragrances and pollution. Identifying the cause is key to effective treatment.

Common Causes & Symptoms

• Allergies (e.g., pollen, pet dander, dust) typically cause clear mucus, sneezing, and itchy eyes but no fever.
• Viral infections (e.g., colds, flu, COVID-19) often lead to thicker yellowish mucus, congestion, fever, body aches, and fatigue.
• Irritants (e.g., strong scents, pollution, cold air) can also trigger nasal inflammation and mucus production.

Remedies for a Runny Nose

Medications:

• For allergies: Antihistamines like Flonase, Nasacort, or Azelastine help reduce inflammation and mucus.
• For viral infections: Decongestants such as Sudafed (pseudoephedrine) or Afrin (oxymetazoline spray) shrink nasal blood vessels to relieve congestion. However, nasal sprays should be used for no more than 3-5 days to avoid rebound congestion.

Non-Medication Remedies:

• Saline Nasal Spray or Neti Pot: Helps flush out allergens and irritants while keeping nasal passages moist.
• Steam Inhalation & Humidifiers: Taking a hot shower or using a cool-mist humidifier can help loosen mucus and prevent nasal dryness.
• Hydration & Rest: Drinking plenty of fluids thins mucus, making it easier to clear. Sleeping with an elevated head helps with drainage.

Prevention Tips

• Avoid known allergens and irritants (e.g., dust, pet dander, smoke).
• Use air purifiers to reduce indoor allergens.
• Wash hands frequently to prevent viral infections.
• Dress warmly in cold weather to reduce nasal irritation.
• Limit fragrance exposure from candles and cleaning products.

When to See a Doctor

If symptoms persist beyond 10 days, worsen, or include high fever, severe sinus pain, or difficulty breathing, a sinus infection or another condition may be present, requiring medical attention.

By using these remedies and preventive measures, you can manage a runny nose effectively and minimize discomfort during allergy season or viral outbreaks.

I personally find the Neti Pot to be incredibly beneficial. Dealing with dust allergies has been a challenge for me, but maintaining a clean bedroom and promptly checking hotel air conditioning filters upon arrival, along with using a Neti Pot, has proven to be effective and much more economical than saline nasal sprays.

Some of my go-to natural remedies include propolis spray, which honey bees use to protect their hives from infections and mold. I also enjoy sipping on Salvia (Sage) tea with freshly grated ginger. For severe flu symptoms, chewing on raw ginger can be quite effective, and placing a cut onion by your bedside works wonders, though it might not be the best for your love life...

Consuming more vitamin C through fresh lemon juice is effective, and at the first sign of a flu, I take ibuprofen in the morning and evening, which usually prevents the flu from developing.

​

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Milk in coffee may seem appealing, but it often masks the harsh bitterness and astringent feel of subpar dark roast blends. By sweetening and adding milk, these drinks are cleverly marketed at exorbitant prices—three to five times that of a pure black espresso or filter coffee. This strategy not only enriches commercial coffee brands but also fuels the alarming rise in obesity and diabetes. It's time to reconsider what we’re really paying for in our coffee choices! 

• • Ensure that your Moka pot is free from any coffee residue. Residual oils can accumulate and turn rancid over time. Consider using a specialized coffee oil cleaner for this purpose. 

• • Pick a coffee that matches your preferences. Steer clear of supermarket brands and large corporations; their coffee is often stale and lacks character, and they frequently disregard the well-being of farmers and the planet.

• • Make it a habit to grind your coffee fresh using a (hand) grinder. This small investment can greatly enhance your coffee ritual. Pre-ground coffee often has many broken beans and other remnants that aren't suitable for whole bean brewing, which you should avoid. Aim for a fine grind, but don't hesitate to switch to a coarser grind when needed.

• • Pour water into the bottom chamber of the moka pot until it reaches about two-thirds full, ensuring you don't exceed the safety valve level. It's best to use warm water, but be cautious to avoid burning your fingers when placing the funnel and screwing on the top section. Using hot water minimizes the time the ground coffee is exposed to heat, resulting in a more flavorful brew.

• • Place the funnel in position and pour in the ground coffee. Use a funnel or a dosing cup to avoid spills. 

• • Secure the lid tightly and place it on your heat source. Use medium heat to avoid flames licking the sides of your moka pot.
    

• • As soon as you hear a hissing sound (sizzling noise), take it off the heat source.

• • Pour a small amount of coffee into a cup, let it cool for a moment, then taste it before proceeding to the final two steps
    




• • If your coffee tastes too intense, consider using slightly less coffee or opting for a coarser grind. Feel free to add either cold or hot water, based on your preferred drinking temperature. You can also create a long black by adding your coffee to water.

• •  If your coffee isn't strong enough, try increasing the amount of coffee or using a finer grind.

Hooray, your new coffee ritual has been born! It's time to embark on a journey of tasting different coffee blends and single origin coffees. Delve into the rich offerings that the world of coffee presents. 

Many conventional moka pot blends feature inferior robusta beans, which impart a significant amount of flavor. The resulting brew is often referred to as strong, but it can also be quite bitter and harsh. This bitterness leads many to add sugar to their coffee. By choosing a blend that is 100% arabica and made from specialty beans, you can enjoy a sweeter and more refined beverage without the need to add sugar. 

If you don't have a grinder and want to try specialty coffee pre-ground for Moka, we suggest you try the Italian brand Le Piantagioni Del Caffe

Your strong moka pot coffee can be used in drinks (try adding it to freshly squeezed orange juice!) and deserts....tiramisu of course, bananbread with coffee, affagato with vanilla icecream, get creative and don't forget to share your best recepies with us!

Share your best recipies 🙏

With more and more news of micoplastics found everywhere including inside human brains you might want to avoid plastic. Plastic is migrating in oil and heating "food safe" plastic is not a good idea. Wether it is called Tritan or Polycarbonate it is an oil (pertoleum) derivate. BPA free doesn't mean healthy. Heating plastics is a bad idea. 

Plastic fantastic: 

• Paper to-go coffee cups always have a plastic lining inside to make it waterproof ➡ Avoid - bring your own reusable cup or thermos 
• Nespresso and other capsule machines ➡ Avoid - they all have plastic brewing chambers (biodegradable capsules don't help here)
• Full automatic "espresso" and filter coffee machines ➡ Avoid - they all have plastic parts 
• Many water kettles have plastic parts ➡ Avoid - choose an all SS/Glass water kettle 
• Many insulated thermos servers have plastic parts ➡ Avoid - choose an all SS/Glass water kettle 
• Aeropress, Tricolate, Hoop, Clever

Plastic free: 

• Coffee Syphon Hario 
• Glass, SS & Ceramic coffee drippers (V60, Kalita, Loveramics, etc)
• Chemex
• ChaCha Kyusu-Maru tea makers with SS filter 
• SS tea balls and thongs
• Fellow Corvo & Stagg water kettles 
• Brewista Artisan water kettles 
• Hario Buono water kettles
• 
  
• 
  

Maybe you have heard about plastic in tea bags...? Well it's the same like kitchen towels vs toilet paper. TP breaks and falls apart when wetted. Kitchen towels have a binder to make sure the fibers stick together. Paper coffee filters need a longs, strong fiber structure to stay intact when getting wet. This makes them more expensive compared to kitchen towels. I would however not trust many paper coffee filters when it comes to binders. 

Do you have questions or see omissions in this list? Hit the chat button or contact us.

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Today, premium tea and coffee are often transported in bulk using plastic liner bags, which are typically recycled at best. While this practice is not the most sustainable, the potential health risks associated with microplastics are minimal since the raw products remain cool and dry, thereby limiting the chances of microplastics leaching into them. 

After roasting coffee is often packed in recyclable plastic bags. Here the risks of microplastic migration is increasing, especially with darker roasts where the oils are largely pushed out to the surface of the roasted coffee bean. 

Aluminim bags are 100% recyclable, but are energy intense so not very sustainable. Aluminium does provide 100% microplastic free packaging. 

Most bags contain also printing or stickers that can only be removed efficiently in industrial recycling facilities. The same goes for kraft paper bags that always have a aluminium or plastic inner lining. 

A local Coffee Refill Program like WB.coffee offers in Weesp (Amsterdam) region is the best and most sustainable way to keep your beans free from microplastics. Ask your local roaster for a refill program! 

We consider the risk of microplastic migration in coffee oils very small as our beans are not charcoaled by high temperature (flash) dark roasts. We never feel an oily surface inside our bean containes. 

We do have glass and SS (vacuum) containers available for storing coffee and for use with our Coffee Refill Program. So if you want to be on the safe side we have got you covered!

Do you have questions or see omissions in this list? Hit the chat button or contact us.

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Every barista will be familiar with oily hoppers. This is not only due to oily beans but also due to heat from the grinder below and the working environment. At home you will not like encounter this problem unless your grinder is integrated in the coffee machine or badly positioned. Anyway at home we do single dosing and do not keep full hoppers (in the sun), right! (if you are now getting a red face it might be time to join a workshop @ Amsterdam Coffee Lab and learn to avoind further rookie mistakes. 

From a no-plastic perespective a quality hand grinder seems the only option as we are not aware of any electric grinders that are completely plastic free (including hopper and chute).

Do you have questions or see omissions in this list? Hit the chat button or contact us.

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It's great that you're looking for plastic-free teabags! Many traditional teabags contain a small amount of plastic (usually polypropylene) to heat-seal them. This plastic doesn't break down and can release microplastics into your tea.

Luckily it is very easy to avoid teabags at all. With the right tools brewing loose tea is a breeze. It comes with some big bonusses as wel: loose tea tends to be higher grade quality tea and is cheaper per gram than bagged tea.

Here's how to identify teabags that do not contain plastic:

Look for these terms and materials:

• Compostable: This is a good indicator, as plastic is not compostable. Look for certifications like "OK Compost HOME" or "OK Compost INDUSTRIAL."
• Biodegradable: While better than traditional plastic, some "biodegradable" materials can still contain bioplastics like PLA (polylactic acid), which might only break down in industrial composting facilities. It's still preferable to traditional plastic.
• Made from natural fibers:
  • Paper: Unbleached paper tea bags that are folded or stitched are often plastic-free.
  • Cotton: Some brands use organic cotton for their tea bags.  
  • Abacá: A natural fiber derived from banana plants, often used in plastic-free tea bags.  
  • Wood pulp and hemp: Some brands use a blend of these natural, compostable fibers.  
• Stitched or tied tea bags: If the tea bag is held together with a cotton string and doesn't have a heat-sealed edge, it's likely plastic-free.

Brands that often offer plastic-free teabags (always double-check the specific product):

• Pukka Herbs: Their tea bags are made from abacá, wood pulp, and plant cellulose, stitched with organic cotton.  
• Clipper Tea Bags: They use a blend of abacá and biopolymer (PLA) for their tea bags.
• Higher Living: Their tea bags are made from unbleached paper with an organic cotton string.  
• Teapigs: Their tea temples (pyramid bags) are made from PLA, which is a plant-based bioplastic and is industrially compostable.
• Abel & Cole (UK): Offers plastic-free tea bags.  
• Weleda (UK): Offers organic, plastic-free tea bags.  
• Waitrose Duchy (UK): Offers Fair Trade and Organic tea bags made from cotton and paper.  
• Barry's Tea (Ireland): Their black tea range produced in Cork is now biodegradable, using a blend of PLA, abaca, and cellulose fibers. Their fruit, herbal, and green teas are also in biodegradable bags.
• Bromley Tea: Their tea bags do not contain any plastic and are fully compostable.  
• Bigelow Tea (most varieties): Their standard paper tea bags do not contain nano/micro plastics and use non-heat seal paper. However, their TeaWell and some other lines might use different materials, so it's worth checking.
• Republic of Tea: Many of their tea bags are made from unbleached paper.  
• Yogi Tea: Their tea bags are often made from paper and are compostable.  
• Traditional Medicinals: Their tea bags are typically made from unbleached, compostable paper.
• NEMI Teas (UK): Uses PLA mesh filters derived from sugarcane.
• Dilmah: Their tagless "pot bags" are made from biodegradable PLA. Their standard string and tag bags are mostly natural cellulose fibers without plastic coating.
• Twinings Tea Bags (some ranges): Some of their ranges use plant starch for their tea bags. Look for specific product information.
• Stash Tea: Many of their tea bags are made from paper.

How to be sure:

• Check the packaging: Look for clear statements like "100% plastic-free," "compostable," or details about the materials used.
• Contact the manufacturer: If you're unsure, you can always reach out to the tea company directly and ask about the materials used in their tea bags.

PLA (plant derived biopolymer)

By being mindful of the packaging and materials, you can easily find delicious and plastic-free tea options! 

As you can see teapigs is also in this list as they use PLA (plant derived biopolymer) for their teabags. Whenever available we offer their blends as loose tea as well.

Do you have questions or see omissions in this list? Hit the chat button or contact us.

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PLA (Polylactic Acid) is a plant-derived biopolymer, which means it's a type of plastic made from renewable resources like:  

• Corn starch  
• Sugarcane  
• Cassava roots  
• Sugar beet pulp  
• Other plant-based feedstocks  

Here's a breakdown of its key characteristics:

• Renewable Source: Unlike traditional plastics derived from fossil fuels, PLA utilizes plant-based materials, making it a more sustainable option in terms of resource consumption.  
• Biodegradable and Compostable: Under the right conditions (specifically in industrial composting facilities with controlled temperature and humidity), PLA can break down into its natural components. It is certified industrially compostable according to standards like AS4736 and EN13432. However, it's generally not home compostable.  
• Versatile: PLA can be used to produce a wide range of products, including:
  • Packaging (food containers, films, bottles)  
  • Disposable cutlery and tableware  
  • Textiles and fibers  
  • 3D printing filaments  
  • Agricultural films  
  • Tea bags   
• Production Process: The production of PLA typically involves:
  1. Fermentation: Plant-based carbohydrates are fermented by microorganisms to produce lactic acid.  
  2. Polymerization: The lactic acid molecules are then linked together to form long chains of polylactic acid (PLA).

Advantages of PLA:

• Renewable feedstock: Reduces reliance on fossil fuels.  
• Lower greenhouse gas emissions during production compared to some traditional plastics.  
• Compostable in industrial facilities, offering a potential end-of-life solution for certain applications, especially where food contamination makes traditional recycling difficult.  

Disadvantages of PLA:

• Requires specific composting conditions: Doesn't readily break down in home compost or natural environments.
• Recycling infrastructure is still developing: While PLA can be recycled back into lactic acid, the infrastructure for this is not yet widespread.
• Can be more expensive than conventional plastics in some cases.  
• Not suitable for all applications: Can have limitations in terms of heat resistance and flexibility compared to some traditional plastics.  

In the context of teabags, PLA is often used to create the mesh-style pyramid bags as it can be heat-sealed and is marketed as a more environmentally friendly alternative to traditional plastic teabags.

However, it's important to remember its industrial compostability requirement. 

The long term health impact is not yet clear.

​

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Plant cellulose is the main structural component of plant cell walls. It's a complex carbohydrate, or polysaccharide, made up of thousands of glucose molecules linked together in long chains.

Here's a breakdown of key aspects of plant cellulose:

Structure:

• Cellulose molecules are long, linear chains of glucose units.
• These chains are linked end-to-end by beta(1-4) glycosidic bonds.
• The arrangement of these bonds causes the cellulose molecules to form a flat, ribbon-like structure.
• Multiple cellulose chains then bundle together laterally, held by hydrogen bonds, forming strong microfibrils.
• These microfibrils are further organized into larger structures within the cell wall.

Key Characteristics:

• Abundant: Cellulose is the most abundant organic compound on Earth, making up about 33% of all plant matter (e.g., 90% of cotton and 50% of wood).
• Strong and Rigid: The highly ordered structure and hydrogen bonding between cellulose chains contribute to the strength and rigidity of plant cell walls, providing structural support to plants.
• Insoluble in Water: The strong intermolecular forces make cellulose insoluble in water and most common solvents.
• Nondigestible by Humans: Humans lack the necessary enzymes (cellulases) to break down the beta(1-4) glycosidic bonds in cellulose. Therefore, it passes through our digestive system largely unchanged and is a form of dietary fiber.
• Digestible by Some Organisms: Herbivorous animals (like cows and horses) have microorganisms in their digestive tracts that produce cellulase enzymes, allowing them to break down cellulose. Termites also have gut microbes that perform this function.

Functions in Plants:

• Structural Support: Provides the main structural framework for plant cells and the entire plant.
• Mechanical Protection: Protects the living cell from physical damage.
• Regulation of Transport: The cell wall, with its cellulose network, helps regulate the movement of water, nutrients, and other small molecules into and out of the cell.
• Cell Shape: Contributes to maintaining the shape of plant cells.

Uses of Cellulose:

Due to its abundance and unique properties, cellulose has numerous applications, including:

• Paper Production: The primary raw material for paper.
• Textiles: Used to make fibers like cotton, linen, and rayon.
• Cellulose Derivatives: Chemically modified cellulose is used to produce various substances found in:
  • Plastics (e.g., cellulose acetate)
  • Photographic films
  • Rayon and other synthetic fibers
  • Adhesives
  • Explosives (e.g., nitrocellulose)
  • Thickening agents in foods
  • Moisture-proof coatings
• Filtration: Used in filters to trap particles.
• Biofuel Production: Being explored as a source for cellulosic ethanol.

In the context of teabags and coffee filters, plant cellulose, often in the form of paper or other natural fibers, is used to create a biodegradable and compostable material for containing the tea leaves.

Plant cellulose seems safe as it passes through our digestive system largely unchanged and is a form of dietary fiber. The long term health impact is not yet clear.

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➡ 49mm ⬇

The espresso machine brands and models that are most commonly associated with a 49mm basket tamper size are:

• La Pavoni:
  • Europiccola: This iconic lever machine, especially pre-millennium models (manufactured before the year 2000), is well-known for its 49mm portafilter basket.
  • Professional: Similar to the Europiccola, older La Pavoni Professional models (pre-2000) also typically use a 49mm basket.
  • Lever Machines (pre-1999/2000): Generally, La Pavoni lever machines manufactured before the year 2000 often utilize a 49mm portafilter.
• DeLonghi (older models): Some older DeLonghi espresso machines used a 49mm tamper size. However, newer DeLonghi models generally use a 51mm tamper. It's crucial to verify the basket size of your specific DeLonghi machine.
• Krups: Certain older Krups espresso machines are reported to use a 49mm tamper. However, Krups has used various sizes over time (including 52mm and 53mm), so measuring your specific machine's basket is essential.
• Olympia Express: The Club and Express models, and potentially older versions of the Cremina, use a 49mm tamper.

Important Considerations:

• Year of Manufacture: For La Pavoni lever machines, the manufacturing year is a significant factor in determining the basket size. Models from 2000 onwards typically use a 51mm tamper.
• Measure Your Basket: The most reliable way to determine the correct tamper size is to measure the internal diameter of your specific machine's filter basket using calipers. You'll want a tamper that is slightly smaller (around 0.5-1mm) than the basket diameter for a proper fit without sticking.
• Older Machines: The 49mm size is more common in older or more traditional espresso machine designs.

Therefore, if you have an older La Pavoni lever machine (pre-2000) or a vintage model from brands like DeLonghi or Krups, it's likely to have a 49mm basket requiring a 49mm tamper. Always measure to confirm!

➡ 52mm ⬇

While less common than other sizes, some espresso machine brands and models use a 52mm basket tamper size. Here are the ones that are most frequently mentioned:

• Krups: Some older Krups models are reported to use a 52mm tamper. However, it's crucial to measure the basket of your specific Krups machine as they have used various sizes over time (including 49mm and 53mm).
• Francis!Francis!: Older versions of the X1 model might use a 52mm tamper. Newer versions of the X1 typically use a 56mm tamper, so it's essential to identify the age of your machine.
• Starbucks: Some of the espresso machines that were branded and sold by Starbucks for home use are reported to use a 52mm tamper. However, like Krups, Starbucks has likely used different sizes across their range.
• Solis: Certain Solis models may use a 52mm tamper. It's recommended to measure your specific Solis machine's basket.
• La Spaziale: While primarily known for using 53mm tampers, some older or specific La Spaziale models might have used a 52mm size. It's best to verify the basket size of your La Spaziale machine.

Important Considerations:

• Measure Your Basket: The single most reliable way to determine the correct tamper size is to measure the internal diameter of your espresso machine's filter basket using calipers. You'll want a tamper that is slightly smaller (around 0.5-1mm) than the basket diameter to avoid it getting stuck.
• Older Models: The 52mm size is more common in older or less mainstream espresso machine models.
• Variations: Even within the same brand, different models or production years can have different portafilter and basket sizes.

Therefore, while the brands and models listed above have been associated with a 52mm tamper size, always measure your specific machine's basket to ensure you purchase the correct size for the best tamping results.

➡ 53mm ⬇

Breville (also sold as Sage in some regions):

Many of their home espresso machines with a 54mm portafilter require a 53mm tamper for optimal fit. This is because the actual internal diameter of their "54mm" baskets is closer to 53.3-53.7mm. Specific models include:

• Barista Express (BES870)
• Barista Pro (BES878)
• Barista Touch (BES880)
• Bambino Plus (BES500)
• Infuser (BES840)
• Duo-Temp Pro (BES810)

Other Brands (less common or with specific models):

• Saeco: Some Saeco models that utilize a 53mm portafilter. Specific models mentioned include the Aroma, Poemia, Rio Profi, Via Venezia, Magic, Classico, Via Veneto, Armonia, Espresso Dream, and Gran Crema.
• Gaggia: Some Gaggia models with a 53mm portafilter, such as the Espresso, Gran, Carezza, and Viva. Note that many other Gaggia models use a 58mm tamper.
• La Spaziale: Some La Spaziale models are mentioned as using 53/54mm portafilters, requiring a 53mm tamper.
• Francis!Francis!: Older versions of the X1 model might use a 52mm or 53mm tamper.
• Olympia Express: The Maximatic model uses a 53mm tamper (some sources also mention 49mm for older models).
• Solis: Some Solis models may use a 53mm tamper.
• Starbucks: Some Starbucks branded espresso machines may use a 52mm or 53mm tamper.

Important Considerations:

• Measure your basket: As always, the most accurate way to determine the correct tamper size is to measure the internal diameter of your specific machine's filter basket using calipers. You'll want a tamper that is slightly smaller (around 0.5-1mm) than the basket diameter to avoid it getting stuck. For Breville/Sage 54mm portafilters, a 53mm or even a 53.3mm tamper is often recommended for the best fit.
• Variations: Machine specifications can sometimes change between production years or different versions of the same model.

Therefore, while Breville/Sage and certain Saeco and Gaggia models are the most commonly associated with a 53mm tamper size, always verify the size of your specific machine's basket for the perfect tamper fit.

➡ 54mm ⬇

the most prominent brand and models of espresso machines that use a 54mm basket tamper size are:

Breville (also sold as Sage in some regions):

Many of their home espresso machines in the Series 6, 7, and 8 typically feature 54mm portafilters. Specific models include:

• Barista Express (BES870)
• Barista Pro (BES878)
• Barista Touch (BES880)
• Bambino Plus (BES500)
• Duo-Temp Pro (BES810)
• Infuser (BES840)

It's important to note that Breville/Sage machines often have a precise portafilter size of 53.7mm, and a 53mm tamper is generally recommended for the best fit.

Other Brands (less common or with specific models):

• Casabrews: The 5700GENSE™ model is mentioned as having a 54mm stainless steel portafilter.
• Olympia Express: The Maximatic model uses a 54mm portafilter.
• La Spaziale: Some La Spaziale models are mentioned as using 53/54mm portafilters. The Lucca A53 Mini is one specific example.
• Dalla Corte: Some Dalla Corte machines use 54mm portafilters.

Important Considerations:

• Measure your basket: While these brands and models are known for using 54mm baskets, it's always best to measure the internal diameter of your specific machine's filter basket to ensure the most accurate tamper size. You'll want a tamper that is slightly smaller (around 0.5-1mm) than the basket diameter.
• Variations: Machine specifications can sometimes change between production years or different versions of the same model.

Therefore, Breville/Sage is the most widely recognized brand for using 54mm baskets in many of their popular home espresso machines. However, always verify the size of your specific machine's basket for the perfect tamper fit.

➡ 57mm ⬇

espresso machines that are known to typically use a 57mm basket tamper size:

Brands:

• Ascaso: Some models, specifically the Dream, Arc, Basic Steel, and potentially the Steel Uno. Note that Ascaso PID and Pro versions usually require a 58mm tamper.
• Lelit: Many of their models with the 57mm portafilter, including the Anna (PL41), Anita (PL42), Diana (PL60), and Grace (PL81). Lelit models like the Giulietta, Glenda, Silvana, Bianca, Mara, Kate, Victoria, and Elizabeth use 58mm tampers.
• La Pavoni: Some lever and pump-driven models such as the Club Combo, Duet, Napolitana, Domus Bar, Domus Casa, Puccino, Boundi, and Boundi Lusso. La Pavoni lever machines manufactured in 1999 and later often use 51mm tampers, while pre-1999 models may use 49mm.
• Quick Mill: Some models like the 810, 3012. Many other Quick Mill machines use 58mm tampers.
• Reneka: Many Reneka machines (LC, Riva, Mosaic) accept 57mm tampers.
• Francis!Francis!: The X3 model. Older versions of the X1 may use a 52mm or 53mm tamper, while newer X1 versions might use 56mm.
• Innova: All Innova models.
• Cimbali: Some Cimbali models (other than the Junior Casa DT1 which uses 58mm).

Important Considerations:

• Variations within brands: Even within a specific brand, different models or production years can sometimes have different portafilter and basket sizes.
• Measure your basket: The most accurate way to determine the correct tamper size is to measure the internal diameter of your espresso machine's filter basket using calipers. You'll want a tamper that is slightly smaller (around 0.5-1mm) than the basket diameter to avoid it getting stuck.
• Aftermarket baskets: If you've replaced the original basket with an aftermarket one, the size might be different. Always check the specifications of the new basket.

Therefore, while the brands and models listed above commonly use a 57mm tamper, it is always best to double-check the specific model and ideally measure your portafilter basket to ensure a perfect fit.

➡ 58mm ⬇

Many espresso machines utilize a 58mm basket tamper size, as it's considered a commercial standard and is common in both high-end home machines and commercial setups. Here's a breakdown of brands and models that frequently use this size:

Widely Known for 58mm:

• ECM: Most ECM models, including the Casa, Mechanika, Elektronika, Synchronika, Classika, Cellini, Giotto, and Technika series.
• Profitec: Most Profitec models, such as the Pro 300, Pro 500, Pro 600, Pro 700, and Pro 800.
• Rocket Espresso: All current Rocket Espresso machines, including the Appartamento, Mozzafiato, R Cinquantotto, and R Nine One.
• Rancilio: The popular Silvia model uses a 58mm tamper.
• Gaggia: Most Gaggia semi-automatic machines, including the Classic, Carezza, and Evolution.
• Bezzera: Many Bezzera models like the BZ10, BZ13, Magica, Mitica, and Strega.
• Quick Mill: Many Quick Mill models, including the Andreja Premium, Vetrano, and QM67.
• Lelit: Higher-end Lelit models like the Bianca (PL162T), MaraX (PL62X), Victoria (PL91T), and Elizabeth (PL92T) use 58mm tampers.
• Breville/Sage: Their Series 9 machines, such as the Dual Boiler (BES920), Oracle (BES980/BES985), and Oracle Touch (BES990/SES990), use 58mm portafilters.
• La Marzocco: Many La Marzocco home and commercial machines use 58mm portafilters.
• Nuova Simonelli: Most Nuova Simonelli machines, including the Oscar II and many commercial models.
• Faema: Most Faema machines, including the iconic E61 grouphead models, use 58mm tampers.
• Elektra: Most Elektra espresso machines use 58mm portafilters.
• Expobar: Many Expobar models are equipped with 58mm portafilters.
• VBM (Vibiemme): Most VBM models, including the Domobar Super and Domobar Junior HX.
• Izzo: Most Izzo machines like the Alex Duetto, Alex Leva, and Vivi PID.
• Pasquini: Most Pasquini machines, including the Livia 90.
• Sunbeam: The Cafe Series (EM6910, EM7000) models typically use 58mm tampers.
• Flair: The Flair 58 models are designed for use with standard 58mm portafilter baskets and accessories.

Important Considerations:

• Variations Exist: Even within a brand, some lower-end or older models might use different sizes.
• Measure Your Basket: The most reliable way to determine the correct tamper size is to measure the internal diameter of your specific machine's filter basket with calipers. You'll want a tamper that is slightly smaller (around 0.5-1mm) than the basket diameter for a proper fit.
• Aftermarket Baskets: If you've replaced your machine's original basket, the size might have changed. Always check the specifications of the new basket.

➡ 58.5mm ⬇

While a 58mm tamper is very common, a 58.5mm (competition) tamper is often recommended for baskets that are nominally 58mm. The extra 0.5mm is intended to provide a very precise fit, minimizing the gap between the tamper and the basket wall and theoretically leading to more even extraction.

Here are some brands and models where a 58.5mm tamper is often recommended or known to fit well:

• ECM: Many ECM machines that use 58mm baskets often pair well with a 58.5mm tamper for a tighter fit. Models like the Casa, Mechanika, Elektronika, Synchronika, Classika, Cellini, Giotto, and Technika series (while generally listed as 58mm) might benefit from a 58.5mm tamper depending on the basket manufacturer.
• Profitec: Similar to ECM, Profitec machines with 58mm baskets, such as the Pro 300, Pro 500, Pro 600, Pro 700, and Pro 800, can sometimes use a 58.5mm tamper for a more precise fit.
• Rocket Espresso: While officially 58mm, some users find a 58.5mm tamper provides a better seal in Rocket models like the Appartamento, Mozzafiato, R Cinquantotto, and R Nine One, especially with precision baskets.
• Lelit: For their 58mm basket models like the Bianca (PL162T), MaraX (PL62X), Victoria (PL91T), and Elizabeth (PL92T), a 58.5mm tamper can offer a snugger fit, particularly with VST or IMS precision baskets.
• Breville/Sage (Series 9): The Dual Boiler (BES920), Oracle (BES980/BES985), and Oracle Touch (BES990/SES990), which use 58mm portafilters, are often recommended to use a 58.5mm tamper, especially when using precision baskets like VST.
• VST and IMS Precision Baskets: These aftermarket, high-precision baskets, designed for consistent extraction, often have an internal diameter that is closer to 58.5mm. Therefore, a 58.5mm tamper is frequently recommended for use with them, regardless of the machine brand.
• Many other E61 Grouphead Machines: Since 58mm is the standard for E61 groupheads, many machines from various brands that utilize this grouphead (e.g., Bezzera, Quick Mill, etc.) might find a good fit with a 58.5mm tamper, especially with precision baskets.

Key Considerations:

• Basket Manufacturer: The ideal tamper size depends heavily on the specific manufacturer and model of your espresso machine's basket. Even if a machine is listed as having a 58mm basket, the actual internal diameter can vary slightly.
• Precision Baskets: If you are using high-precision baskets like VST or IMS, a 58.5mm tamper is often the recommended size for the best seal.
• Measure Your Basket: The most accurate way to determine the ideal tamper size is to measure the internal diameter of your specific basket with calipers and choose a tamper that is just slightly smaller (around 0.1-0.2mm) for a perfect fit without sticking.

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