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Coffee Fellow Attachment Prismo Aeropress Review

For coffee lovers seeking a versatile and efficient brewing method, the Aeropress has been a beloved go-to choice. Here’s the scoop on Prismo Aeropress review!

A coffee maker is sitting on top of a table.

The Fellow Prismo AeroPress attachment has garnered attention in the coffee-making world as an innovative solution for those looking to craft a richer, espresso-like crema brew using their AeroPress coffee maker. 

Designed by San Francisco-based company Fellow Industries, the Prismo is a modestly-priced attachment that aims to increase plunging pressure.

Plus create a deeper flavor profile similar to espresso

This handy gadget replaces the screw-filter cap and paper filters (such as aesir filters) on your AeroPress, bundling a reusable 150-micron etched stainless steel filter for a more sustainable approach to coffee brewing.

Favored by many coffee enthusiasts for its simplicity, the Prismo AeroPress attachment promises an enhanced brewing experience that bridges the gap between traditional AeroPress coffee and a real espresso shot. 

The standard filter attachment works with the standard AeroPress, allowing users to experiment with a pour-over style method that is often considered less precarious than the popular inverted method.

Despite its many advantages, it is important to note that the Prismo attachment may not fully replicate the taste and texture of an authentic espresso, given the differences in pressure and brewing process. 

Nonetheless, the Fellow Prismo AeroPress attachment offers an enjoyable, inventive, and easy way for coffee aficionados to explore new brewing techniques and extract the best rich flavors from their coffee beans using their existing AeroPress equipment.

So, let’s meet Prismo, the secret weapon of the Aeropress! 

What Is the Prismo Aeropress Attachment?

A man pouring coffee into a coffee maker.

Design and Features

The Prismo Aeropress Attachment is a pressure-actuated accessory designed by Fellow Industries for the Aeropress coffee maker. 

Its primary objective is to enhance the Aeropress brewing process and produce espresso style coffee. 

The attachment consists of a larger plastic standard filter cap with a pressure-actuated valve, also referred to as a one-way valve. 

This valve controls the coffee extraction by only allowing it to flow when the adequate amount of pressure is achieved. 

Additionally, the Prismo comes with a reusable 150-micron etched stainless steel metal filter, with one of the added advantages of a metal filter being that it eliminates the need for disposable Aeropress paper filters.

This metal vessel or filter has smaller holes that effectively capture coffee grounds while still allowing the flavorful coffee oils to pass through, resulting in a rich, full-bodied brew.

Another key feature of the Fellow Prismo is the rubber gasket, which provides a no-drip rubber seal for a full immersion brew. 

This ensures that the coffee is fully extracted without any unintended leaks or spills.

Note: It’s important to be careful when using Prismo over thin glass vessels, as the buildup of pressure could be too much for the glass to handle. 

Compatibility with Aeropress

The Prismo attachment is fully compatible with the Aeropress coffee maker, designed as a direct replacement for its original screw plastic filter cap. 

This means that you can simply remove the stock cap and replace it with the Prismo, effectively transforming your Aeropress into a more versatile brewing device.

The Prismo is attached to the bottom of an Aeropress, and its combination of a metal filter, rubber seal, and pressure-actuated valve does a surprisingly good job of generating as much pressure as the normal method of brewing coffee with the use of an espresso machine. 

The Prismo Aeropress Attachment is a well-designed accessory that enhances the brewing capabilities of the Aeropress coffee maker. 

With features such as a pressure-actuated valve, a reusable metal prismo filter, and a no-drip rubber gasket, this attachment allows coffee enthusiasts to enjoy an espresso-like drink and fully immersed brew without any fuss.

Prismo vs Traditional Espresso Machines

A person pouring coffee into a glass pot.

Brewing Pressure

One of the key differences between the Prismo AeroPress attachment and traditional espresso machines is the brewing pressure. 

While espresso machines typically apply an internal pressure of around 9 bars, the Prismo does not quite achieve this great deal of pressure. 

Nonetheless, it uses a simple valve to increase plunging pressure in an attempt to produce great coffee with a more espresso-like flavor profile.

The amount of caffeine from Prismo’s quick punch is enough to get you fueled for the day. 

So, the good news is that you can skip out on your traditional coffee kettles and espresso machines. 

Just get your favorite espresso glass ready and pour yourself a machine-free shot of delicious coffee! 

Taste Comparisons

Although the Prismo does not produce authentic espresso due to the difference in brewing pressure, it can deliver coffee with a taste profile that is surprisingly close, given the right brewing techniques. 

Using a 20g of coffee to 50g of boiling water ratio, the Prismo attachment provides a concentrated coffee taste that may be reminiscent of espresso, but not identical. 

It is important to note that results may vary according to grind size (whether it’s a coarser or finer grind), water temperature, and brewing time.

Functionality and Ease of Use

The Prismo AeroPress attachment offers a simpler, more portable alternative to traditional espresso machines. 

This can be especially beneficial for users who do not have access to an espresso machine or who desire an easy-to-use and travel-friendly option.

The Prismo attachment is straightforward to use, but it requires following detailed instructions and potentially some trial and error to achieve the desired results. 

It can be tricky to screw onto the AeroPress, particularly when using the reusable fine metal filter. 

However, once mastered, the Prismo and AeroPress combo can provide consistent results that are closer to espresso compared to other manual brewing methods.

In contrast, espresso machines come with a steeper learning curve, often requiring users to become familiar with various settings, grind sizes, and tamping techniques. 

However, once these factors are understood, espresso machines offer consistent, true espresso shots that are not achievable with the Prismo and AeroPress method.

To sum up the differences:

FeaturePrismo AeroPressTraditional Espresso Machines
Brewing PressureLower, 1-2 barsHigher, around 9 bars
Taste ProfileCloser to espressoAuthentic espresso
FunctionalitySimpleComplex, more settings
Ease of UseEasier, portableSteeper learning curve
PriceLowerHigher

Brewing Methods with Prismo

A person pressing coffee into a coffee maker.

Here are some of the most popular brewing methods which you could use for any drink, even hot tea or iced tea: 

Inverted Method

The Inverted Method with the Prismo attachment is an interesting alternative to traditional AeroPress brewing. 

This method involves:

  1. Assembling the AeroPress with the Prismo attachment screwed onto the bottom.
  2. Flipping the AeroPress upside down, with the plunger at the bottom.
  3. Adding ground coffee and hot water.
  4. Stirring the coffee mixture for proper extraction.
  5. Placing the filter on top and securing it with the cap.
  6. Flipping the entire assembly over an espresso cup.
  7. Pressing down on the plunger to extract the coffee.

            This method offers greater control over steep time and extraction, producing a rich and flavorful cup of coffee.

            Standard Method

            The Standard Method with Prismo attachment involves a straightforward approach:

            1. Screw the Prismo cap onto the AeroPress.
            2. Add coffee grounds to the brew chamber.
            3. Slowly pour hot water into the AeroPress for 10-20 seconds.
            4. Stir the coffee mixture for up to 30 seconds to increase extraction.
            5. Allow brewing for 1 minute.
            6. Hold the AeroPress over an espresso cup and press the plunger.

                    This technique retains simplicity and ease, while producing a strong and flavorful cup of coffee.

                    Cold Brew

                    Cold brew coffee can be made using the Prismo attachment by following these steps:

                    1. Assemble the AeroPress with the Prismo cap attached.
                    2. Place coffee grounds in the brew chamber.
                    3. Slowly pour cold water into the AeroPress.
                    4. Stir the mixture gently.
                    5. Cover and let it steep in the refrigerator for 12-24 hours.
                    6. Press the plunger over a container to extract the cold brew concentrate.
                    7. Dilute with water or milk to personal preference.

                              This method provides a smooth and less acidic coffee that can be enjoyed over ice.

                              Full Immersion

                              Full Immersion brewing with the Prismo attachment delivers a strong, full-bodied coffee experience:

                              1. Assemble the AeroPress with the Prismo cap attached.
                              2. Add coffee grounds and hot water to the brew chamber.
                              3. Stir the mixture thoroughly.
                              4. Allow the coffee mixture to steep for 4-5 minutes.
                              5. Stir once more before placing the plunger on top.
                              6. Press the plunger slowly and firmly over a cup or carafe.

                                    The resulting brew is rich in flavor, with a robust body and finish, perfect for those who enjoy a more intense coffee experience.

                                    Filters

                                    A woman pressing coffee into a glass.

                                    Paper Filters

                                    Paper filters are the most common type used with the AeroPress. 

                                    They provide a clean and smooth cup of coffee, as the paper absorbs some of the oils and fine particles. 

                                    This results in a lighter body and brighter acidity in the final brew. 

                                    The AeroPress typically comes with round paper filters, which can be easily replaced when used up. 

                                    While paper filters offer great taste, they do require regular replacement and generate waste.

                                    Metal Filters

                                    The Fellow Prismo AeroPress attachment, on the other hand, comes with a reusable 150-micron etched stainless steel metal filter. 

                                    This filter is more sustainable than paper filters, as it can be cleaned and reused indefinitely. 

                                    The fine holes in the metal filter allow more oils and small particles to pass through, resulting in a richer and bolder coffee, closer to an espresso-like flavor profile.

                                    Using a metal filter, like the one included with the Prismo, has a few advantages:

                                    • Sustainability: Reusable metal filters reduce waste, as they eliminate the need for disposable paper filters.
                                    • Taste: Metal filters allow more oils and fine particles to pass through, which can contribute to a fuller body and enhanced flavor complexity.
                                    • Economy: While reusable metal filters may be more expensive up-front, their longevity can save money over time by eliminating the need for constant paper filter replacements.

                                    However, there may be some drawbacks to using a metal filter:

                                    • Cleaning: Metal filters require regular cleaning and maintenance to ensure the best coffee quality and prolong their lifespan.
                                    • Sediment: Some users may not like the slightly increased sediment in their coffee resulting from using a metal filter.

                                    The Fellow Prismo AeroPress attachment features a reusable metal filter, which offers a sustainable and economic alternative to disposable paper filters. 

                                    Both options contribute to the unique brewing experience offered by the AeroPress that has the fellow logo, with the choice between a cleaner, lighter brew from paper filters or a bolder, richer flavor using the metal filter.

                                    Results of Using Prismo

                                    A person pressing coffee into a glass.

                                    Flavor Profiles

                                    Using the Prismo attachment on an AeroPress can significantly change the flavor profile of the coffee compared to a standard AeroPress method. 

                                    By following the recommended brewing instructions, such as using a ratio of 20g of coffee to 50g of boiling water, the Prismo can produce a more concentrated, espresso-style coffee. 

                                    The resulting coffee from a Prismo brew has a richer, more robust flavor that is comparable to an espresso shot from a traditional espresso machine.

                                    Crema Formation

                                    Another notable aspect of using the Prismo attachment is the formation of crema, which is the rich, creamy foam that forms on top of an espresso shot. 

                                    Crema is often seen as a desirable quality in espresso and a sign of a well-extracted coffee. 

                                    The Prismo’s higher pressure actuated valve and 150-micron stainless steel filter help in creating the crema by applying enough pressure during the plunging process.

                                    Similar to the pressure generated in a traditional espresso machine.

                                    Comparisons with Other Coffee Makers

                                    The Prismo AeroPress attachment provides an opportunity to achieve espresso-style coffee without investing in an expensive, specialized machine. 

                                    Here are some comparisons with other common coffee makers:

                                    French Press

                                    While a French press can produce a strong, full-bodied coffee, it does not typically create the same level of pressure or crema found in espresso-style coffee.

                                    The Prismo provides an additional build-up of pressure during the lengthy process of brewing, resulting in a more espresso-like experience.

                                    Moka Pot

                                    A Moka pot is another stovetop method for producing a concentrated coffee similar to espresso.

                                    However, the Prismo attachment for AeroPress allows for a quicker brewing process and eliminates the risk of over-extraction or burning, which can sometimes occur with a Moka pot.

                                    Standard AeroPress

                                    A regular AeroPress coffee maker, without the Prismo attachment, is more suitable for classic filter-style black coffee.

                                    The addition of the Prismo allows for a more concentrated, espresso-style coffee with a no-drip seal, which ensures full immersion during brewing.

                                    The Prismo AeroPress attachment provides a unique and affordable solution for those seeking a more concentrated, espresso-style coffee without investing in expensive or complicated machinery.

                                    Advanced Techniques and Recipes

                                    A coffee aeropress sitting on a wooden table.

                                    Barista-inspired Recipes

                                    Professional baristas often employ advanced techniques when preparing coffee, like with an AeroPress and Prismo attachment. 

                                    Here are a few popular recipes to try out:

                                    1. AeroPress Cappuccino:
                                    • Fine grind 20-30g of medium roast coffee
                                    • Pour 50ml of boiling water into the AeroPress
                                    • Stir the mixture gently for 20 seconds
                                    • Allow the coffee to bloom for 30 seconds
                                    • Fill the AeroPress up to 200ml with hot water
                                    • Press firmly and quickly

                                    Serve the AeroPress cappuccino by topping it off with equal parts steamed milk and milk foam to enhance the cappuccino experience.

                                    1. Fellow Prismo Americano:
                                    • Grind 17g of medium roast coffee to a fine consistency
                                    • Add coffee to the AeroPress chamber with the Prismo attached
                                    • Pour 40ml of hot water and stir the coffee for 15 seconds
                                    • Add another 100ml of hot water and stir gently
                                    • Allow the mixture to steep for 1 minute before pressing

                                    Pour the brewed coffee over 60ml of hot water to create a Prismo Americano, and enjoy.

                                    Weighing Ingredients

                                    A scale is an essential tool for precision brewing. 

                                    By weighing the coffee and water input, the desired strength and flavor profile of the brew can be achieved. 

                                    Use a digital scale to measure the coffee grounds in grams and follow the same measurement for water in milliliters. 

                                    This ensures consistency in taste and optimal extraction.

                                    Fine Grinding and Blooming

                                    Grinding coffee to a fine consistency increases the surface area of the grounds, enabling better extraction. 

                                    Combining fine grinds and proper blooming (pre-wetting the grounds with a small amount of water) extracts the coffee’s intricate flavors and enhances the overall enjoyment of the beverage.

                                    The bloom process also allows trapped CO2 to escape from the coffee grounds, which can negatively affect the flavor.

                                    By incorporating the recommended endless recipes, using a scale for accurate measurements, and focusing on very fine grind and blooming, you can elevate your AeroPress brewing technique and enjoy beverages akin to those crafted by professional baristas – all from the comfort of your own home.

                                    Cleaning and Maintenance

                                    A person pouring coffee into a french press.

                                    Cleaning the Fellow Prismo AeroPress attachment is relatively simple but slightly more complex than cleaning the AeroPress alone. 

                                    To keep your Prismo attachment performing optimally, regular cleaning and maintenance are vital.

                                    First, disassemble the Prismo attachment by removing the stainless steel microfilter and the pressure-actuated valve. 

                                    Rinse these parts under warm water to remove coffee grounds and oils. 

                                    To clean the microfilter more thoroughly, use a soft brush to gently scrub any remaining coffee residue. 

                                    Avoid using any harsh chemicals or abrasive materials, as these can damage the filter.

                                    For the main chamber, you can give it a quick rinse with warm water and use a non-abrasive sponge to remove any leftover coffee grounds. 

                                    For the pressure-actuated valve’s small aperture, it’s essential to flush water through it to clear any residues that could affect its performance. 

                                    After cleaning all components, make sure to dry them thoroughly before reassembling and storing them.

                                    Regarding extraction, consistent cleaning and maintenance will ensure that your Fellow Prismo AeroPress attachment continues to deliver high-quality, flavorful coffee. 

                                    A properly cleaned microfilter ensures optimal extraction, minimizing any over-extraction or bitter taste in your brew.

                                    Lastly, let’s talk about handling the coffee puck. 

                                    Once you’ve plunged your AeroPress and the extraction process is complete, it’s time to dispose of the coffee grounds or the “puck.”

                                    With the Fellow Prismo, you can simply push the plunger further to eject the puck into a waste bin or compost. 

                                    It’s a quick, mess-free process compared to other traditional brewing methods.

                                    Regular cleaning and maintenance are essential for optimizing the performance and extraction quality of your Fellow Prismo AeroPress attachment. 

                                    By taking the time to care for your setup, you can enjoy consistently excellent coffee.

                                    Pros and Cons

                                    Pros

                                    The Prismo AeroPress attachment offers a few key benefits for coffee enthusiasts:

                                    • More espresso-like flavor: The metal filter and pressure valve of the Prismo help create a richer and stronger coffee, closer to espresso compared to the standard AeroPress.
                                    • Reusable filter: The Prismo attachment features a reusable metal filter, which is not only eco-friendly but also helps to deliver a fuller-bodied coffee experience.
                                    • Travel-friendly and portable: The Prismo is compact, lightweight, and easy to attach to an AeroPress, making it an ideal companion for on-the-go brewing.

                                    Cons

                                    While the Prismo AeroPress attachment has its advantages, there are also some drawbacks:

                                    • Not true espresso: Despite producing a stronger and more flavorful coffee, the Prismo attachment cannot create the same high-pressure extraction as a dedicated espresso machine. The result, while closer to espresso, is still not the real deal.
                                    • Compatibility: The Prismo attachment is designed specifically for the standard AeroPress, meaning you cannot use it with other types of coffee makers.
                                    • Potential leaking during plunging: Some users have reported issues with minor leaking when using the Prismo. This is likely due to inconsistent pressure or seal formation. Proper technique and care during the plunging process may minimize this issue.
                                    • Additional steps and learning curve: Using the Prismo attachment requires slightly more effort and practice compared to the standard AeroPress method. You’ll need to become familiar with the process to get the best results.

                                    Despite its drawbacks, the Prismo AeroPress attachment is a popular and useful addition to the AeroPress brewing system. 

                                    Weighing the pros and cons will help you decide if it’s the better fit for your coffee-making routine.

                                    Price and Where to Buy

                                    A man pressing coffee into a glass pot.

                                    The Fellow Prismo AeroPress attachment can be found and purchased in several locations. 

                                    However, one of the most popular and widely accessible options would be through Amazon.

                                    On Amazon, the Fellow Prismo Attachment for AeroPress Coffee Maker is rated 4.6 out of 5 stars, with over 3,679 ratings by customers who have purchased and used the product. 

                                    The price of the Prismo Attachment varies slightly depending on the seller, but it generally hovers around the $25 mark.

                                    Amazon offers fast shipping options and responsive customer service in accordance with its privacy policy, making it a convenient shopping experience for potential buyers, whether they’re inquiring about a restocking fee or full refund for a product with a manufacturer defect.  

                                    Just jot down the order number for your aeropress go travel coffee maker to be able to track your product, and leave your email address for delivery notifications.  

                                    If you’re an Amazon Prime member, you could get free shipping for your original piece at no extra cost.

                                    Furthermore, customers can also rely on the extensive fellow prismo review and rating provided by fellow customers to help decide if the Prismo attachment is the right addition to their AeroPress setup.

                                    In addition to Amazon, the Fellow Prismo AeroPress attachment can be found in other online retailers and specialty coffee shops. 

                                    It is always essential to compare prices and ensure you are receiving an authentic product when purchasing from different sources.

                                    Here is a summary of the key pieces of information presented:

                                    • Popular purchasing location: Amazon
                                    • Average price: $25
                                    • Amazon rating: 4.6 out of 5 stars, based on 3,679 ratings

                                    By carefully examining price, product reviews, and available purchase locations, interested buyers can make an informed decision about adding the Fellow Prismo AeroPress attachment to their coffee brewing toolkit.

                                    Accessories and Equipment

                                    When using the Fellow Prismo AeroPress attachment, there are a few additional items that can enhance your experience and ensure consistent results. 

                                    Here’s the scoop on some essential accessories and equipment, such as gooseneck kettles, water temperature, and electric kettles.

                                    Gooseneck Kettle

                                    A gooseneck kettle is recommended for precise pouring when using the Prismo AeroPress attachment. 

                                    The long, slender spout offers better flow control, allowing you to accurately distribute the water over the coffee grounds. 

                                    This controlled pour helps ensure even extraction and improves the overall quality of your espresso.

                                    Water Temperature

                                    Achieving the optimal water temperature is critical for a successful brewing experience with the Fellow Prismo attachment. 

                                    Generally, boiling water between 195°F to 205°F is recommended for most brewing techniques, including AeroPress. 

                                    Utilizing a thermometer can help monitor the water temperature and guarantee more consistent results.

                                    Here are some key pointers on water temperature:

                                    • Boil water between 195°F to 205°F
                                    • Use a thermometer to monitor the water temperature
                                    • Maintaining proper water temperature ensures better extraction and flavor

                                    Electric Kettle

                                    An electric kettle can be a significant accessory when using the Fellow Prismo AeroPress attachment. 

                                    It adds convenience and efficiency to your brewing process. 

                                    Some electric gooseneck kettles come with variable temperature settings, allowing you to achieve optimal water temperature without the need for a separate thermometer.

                                    Features to look for in an electric kettle:

                                    • Gooseneck spout for precise pouring
                                    • Variable temperature settings
                                    • Easy-to-read digital display
                                    • Quick heating capability

                                    Investing in the right accessories and equipment can maximize the effectiveness of your Fellow Prismo AeroPress attachment.

                                    A gooseneck kettle, maintaining proper water temperature, and using an electric kettle with adjustable settings will help ensure consistent, high-quality results.

                                    Tips to Remember

                                    A person pressing a liquid into a jar.

                                    The Fellow Prismo AeroPress attachment is a popular addition for coffee enthusiasts who want to enhance their AeroPress experience. 

                                    It comes with a pressure actuated valve that increases plunging pressure, making it easier to create an espresso-like beverage. 

                                    The stainless steel filter included with the attachment is reusable and contributes to a more enhanced flavor profile.

                                    While the Prismo won’t exactly replicate the taste of true espresso, it is a clever and affordable way for AeroPress users to experiment and get closer to that rich, bold flavor. 

                                    If you’re seeking an alternative, the Fellow Prismo might just be the best option for you. 

                                    This attachment replaces the original plastic cap of the AeroPress and eliminates the need for paper filters, taking your coffee-making process to a new level.

                                    It is important to note that the Fellow Prismo should not be solely relied upon to produce genuine espresso, as there are other specialized espresso-making options available in the market, which are designed specifically for that purpose. 

                                    However, the good thing about the Prismo is that it offers a fun and simple way to enjoy a coffee that resembles espresso, without investing in an expensive espresso machine.

                                    Final Thoughts

                                    The Fellow Prismo attachment is a valuable addition for AeroPress users who wish to experiment with their coffee and enhance their brewing experience. 

                                    Its pressure actuated valve and stainless steel filter provide impressive results, making this attachment worth considering as an alternative for those in search of espresso-like flavors from their AeroPress.

                                    So, bring out that espresso shot glass and treat yourself to some deliciously strong coffee made by using the Fellow Prismo! 

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