FAQs for the AeroPress Coffee Maker. Aeropress кофе

AeroPress Brewing Guide - How to Make AeroPress Coffee


A space-age contraption with gravity-defying aspirations, the AeroPress was invented by Aerobie just 38 miles from our Oakland roastery. Aerobie is responsible for creating the long-flying “superdisc” that broke Guiness World Records when it soared 1,333 feet into the air. (Take that, frisbee!) The same mastery of aerodynamics comes into play here, with this peculiar and lovely device for brewing coffee.

Step 1

Bring 7 oz (200 g) of water to a boil. Weigh out 15–18 grams of coffee (depending on your preferred strength). Grind to a texture slightly finer than sea salt.

Step 2

Insert a paper filter into the AeroPress's detachable plastic cap.

Step 3

Use some of your hot water to wet your filter and cap. The water serves a dual function here: It helps the filter adhere to the cap, and heats your brewing vessel. This can be challenging as the water is hot and the cap is quite small: Hold the cap by its “ears” and pour the water very slowly so it can be absorbed by the filter.

Step 4

Assemble your AeroPress. Make sure the entire assembly is dry, since any residual moisture can compromise the device’s seal.

Step 5

Place it on your scale with the flared end up, then tare the weight. The numbers should appear upside-down. It’s possible to attach the black filter cap and place it right side-up, but this tends to cause leakage and make accurate brewing difficult.

Step 6

Add your ground coffee. Be careful not to spill any grounds into the ring-shaped gutter at the top of the AeroPress.

Step 7

Start a timer. Add twice the weight of water than you have grounds (e.g., for 15 grams coffee, add 30 grams water). The water should be about 200 degrees F.

Step 8

Make sure the coffee is saturated evenly, tamping slightly with the paddle or butter knife if necessary, and let it sit for 30 seconds.

Step 9

Use the remainder of the hot water to fill the chamber.

Step 10

After a minute has elapsed, stir grounds 10 times to agitate.

Step 11

Fasten the cap, ensuring it locks into the grooves tightly. Flip the whole assembly over with haste and control. Position it atop your brew vessel and begin applying downward pressure. You will experience about 30 pounds of resistance here. If the pushing feels too easy, your grind is likely too coarse; if it’s very hard to push, chances are the grind is too fine. Your coffee is fully brewed once it begins to make a hissing sound. This means there is no more water to push through the device.

Step 12

Once you’ve unscrewed the cap, you can pop out the filter and the puck of condensed grounds by simply pushing AeroPress’s interior section a final inch.


Amazon.com: Aeropress Coffee and Espresso Maker: French Presses: Kitchen & Dining

Style Name:AeroPress

Fast and convenient, the AeroPress Coffee and Espresso Maker makes one of the best cups of coffee you'll ever taste. This innovative uses the ideal water temperature and gentle air pressure brewing to produce coffee and espresso that has rich flavor with lower acidity and without bitterness. It makes 1 to 4 cups of coffee or espresso (enough for 1 or 2 mugs), features a micro filtered for grit free coffee, and takes just 1 minute to make coffee (actualpress time takes only 20 seconds).

With total immersion brewing, the AeroPress produces uniform extraction for the ultimate in full coffee flavor.

To brew a double espresso or 10-ounce cup of coffee:
  • Place a microfilter in the bottom cap of the AeroPress chamber and twist the cap tightly closed.
  • Place two scoops of ground coffee from the included AeroPress scoop into the chamber.
  • Stand the chamber on a sturdy mug, then proceed to pour hot water into the top of the chamber (175 degrees F is optimal).
  • Stir the water and coffee with the included paddle for about 10 seconds.
  • Insert the plunger into the chamber and gently press down about a quarter of an inch and continue to maintain that pressure for 20 to 30 seconds (gentle pressure is the key to easy AeroPressing).
This will result in a double espresso. To make an Americano, simply top off the mug with hot water, or add hot milk for a creamy latte. The AeroPress can press from 1 to 4 scoops, and each scoop from the included AeroPress scoop makes the equivalent of a single espresso or 5 ounces of American coffee. Fill the chamber with hot water to the number corresponding to the number of scoops.

You can also make a full carafe of coffee using the AeroPress in less time than it takes to brew a pot of drip coffee. Two 3-scoop or 4-scoop pressing, topped off with hot water, will fill most vacuum carafes.

The AeroPress is the result of several years of applied research by inventor/engineer Alan Adler, who conducted numerous brewing experiments, measuring the brew with laboratory instruments. The experiments demonstrated that proper temperature, total immersion and rapid filtering were key to flavor excellence. He then designed and tested dozens of brewers before settling on the AeroPress design. Adler's best-known invention is the Aerobie flying ring which set the Guinness World record for the world's farthest throw (1,333 feet).

Comparison of Brewing Methods

Drip Brewing Traditional drip brewing passes water through a bed of grounds. When the water first drips into the bed, it is too hot and bitterness is extracted. As the water filters downward through the bed, it becomes too cool and extraction is weak. The water doesn't contact all of the grounds uniformly. Grounds at the edge of the bed are under-extracted, while grounds at the center are over- extracted and contribute bitterness.

Total immersion of the grounds in the AeroPress completely solves these problems. All of the grounds contact the same water temperature, and the brewing process is short and sweet. The gentle air pressure of the AeroPress also extracts extra flavor from the coffee. Ordinary drip brewers leave a lot of flavor in their soggy grounds.

The drip method cannot make a robust single cup because the small amount of water doesn't heat the bed enough for rich extraction. It is also slow. AeroPress makes one to four servings with a single pressing in less than a minute. The flavor is equally rich for any number of cups.

Espresso MachinesMost coffee lovers agree that espresso is less bitter than drip brew because of the shorter brewing time. However when we ran comparison taste-tests in the homes of espresso lovers, they all agreed that AeroPress espresso tasted better than the brew from their high-priced European espresso machines--why? The reason is that the total immersion brewing of the AeroPress yields a robust flavor at lower temperature--and lower temperature brew is far less bitter. Home espresso machines don’t allow adjustment of temperature. But even if they did, their lack of total immersion would not yield robust flavor at reduced temperature. In addition to smoother taste, the AeroPress has several other advantages over conventional espresso machines.

  • Grind is not critical in the AeroPress. Grind is so critical in espresso machines that most grinders cannot produce a grind fine enough to make a good tasting shot! Special espresso grinders cost hundreds of dollars and require frequent cleaning.
  • Espresso experts always adjust the grind when there are changes in humidity or batches of coffee. They throw away two or three shots while adjusting the grind in to achieve the desired 25-second shot.
  • There is no tamping in the AeroPress. Books on espresso teach the art of just the right amount of tamping. They instruct the home barista to practice on the bathroom scale to learn exactly thirty pounds of pressure.
  • There is no pre-warming of the portafilter head. In fact the AeroPress has no portafilter head!
  • There is no maintenance. Espresso machines require regular cleaning and descaling with caustic chemicals. They also require disassembly and cleaning of the showerhead.
  • There is no need to judge when to stop the pull. This is the most critical skill in using an espresso machine. As espresso lovers well know, most would-be baristas in coffee shops, hotels and restaurants run the pump too long--extracting sour bitterness from the grounds.
  • With the AeroPress, the amount of water is predetermined by the user, who can brew any strength from weak to super-intense just by choosing the desired amount of water prior to pressing.

Pod BrewersMany single-cup pod brewers have come to market recently. Some of these machines make American coffee. Others make espresso. They range in price from about $60 to several hundred dollars. A highly respected product review magazine tested the three most popular pod brewers and reported the flavor as "mediocre at best."

French PressesPeople see some similarities between the AeroPress and a French Press. Both use total immersion and pressure. But the similarities end there.

The filter in the French Press is at the top of the mixture. Because coffee floats, the floating grounds clog the filter and makes pressing and cleaning very difficult. Users are instructed to use only coarse ground coffee. But this reduces the amount of flavor that can be extracted from the coffee and necessitates long steeping times which extract bitterness.

Furthermore, even coarse ground coffee includes many fine particles. These small particles pass through and around the filter resulting in a bitter, gritty brew. The particles in the brew continue to leach out bitterness. Consequently French press users are advised to drink or decant the brew immediately. Also, some particles clog the filter screen making pressing and cleaning very difficult.

AeroPress coffee is micro-filtered. It so pure and particle-free that it can be stored for days as a concentrate. The concentrate can be drunk as espresso, mixed with milk for lattes, or diluted to make American coffee. French presses cannot make espresso or lattes. Finally, cleaning the French press is quite a chore. The AeroPress chamber is self-cleaning. A ten-second rinse of the plunger is all that's required.


FAQs for the AeroPress coffee maker

If you have a question that isn’t covered here, please contact us.

What is the warranty on the AeroPress coffee maker?

The AeroPress coffee maker is warranted against defects in materials and workmanship for a period of one year from date of purchase from an authorized retailer. We advise you to keep your receipt so that if you have a problem with your AeroPress before one year has passed, you can prove when you purchased it and that you purchased it from an authorized retailer that sells genuine AeroPress coffee makers. Authorized retailers are the ones found here.

I threw my filter cap away by accident and didn’t spot it in the trash. Have you considered making the filter cap a brighter color so it’s easier to see?

Yes, we have. However, all of the black parts of the AeroPress are made with the same injection of material into a big mold, so changing the filter cap color would also change all the other parts. We are reluctant to add a lot of a bright color because we want the product to be neutral in terms of fitting into a kitchen color scheme. If you’ve thrown away your filter cap by accident, you can purchase a replacement by calling AeroPress, Inc. at 1-650-493-3050 (if you live in the USA) or by contacting the distributor in your country (if you live outside the USA).

It’s hard for me to judge water level in the AeroPress. What should I do?

Since we switched to the semi-opaque polypropylene material for the AeroPress, it’s a bit harder to see the water level when viewing from the side. An easier way to tell water level is to look down into the chamber from above. The numbers on the outside are visible through the material particularly if looking down against a light background.

Why don’t you manufacture a glass or stainless-steel version of the AeroPress?

We frequently get asked this question. Interestingly we also receive frequent emails from consumers thanking us for not making the AeroPress of glass. Those people are likely tired of breaking glass coffee carafes or presses. The facts are that glass is fragile, heavy, highly conductive of heat, and expensive to manufacture with the tolerances required for the AeroPress. People also ask how about stainless steel. Unfortunately stainless steel is heavy, highly conductive of heat, and expensive. We therefore have no plans to make a glass or stainless steel AeroPress coffee maker. We believe that the AeroPress coffee maker we currently manufacture is superior to a glass or stainless steel AeroPress coffee maker.

What material do you use for the seal?

It is a medical grade thermoplastic elastomer that we buy from a supplier for medical syringes. The chemical name is styrene-ethylene-butadiene-styrene. It is made in the USA and is FDA and EU approved for use in contact with food.

Does the AeroPress contain BPA, BPS, or phthalates?

No. The AeroPress has always been phthalate free and has been free of bisphenols, including bisphenol-A (BPA) and bisphenol-S (BPS), since 2009.

What material is the AeroPress made out of?

In the summer of 2014 we switched to making the chamber and plunger out of polypropylene. This means that all of the AeroPress parts except the rubber like seal are now made of polypropylene. We made the change because tests indicated the polypropylene is more durable. We regret the polypropylene is less transparent but feel the additional durability is more important. All materials used in the AeroPress are made in the USA and are FDA and EU approved for use in contact with food. Read more about the materials here.

Why is it important to use a good-quality grinder?

A good grinder will grind coffee into particles of uniform size. Very fine particles block the flow of water and make it difficult to press. The same blocking occurs if your grinder is dull and produces particles of varying size because the fine particles block the spaces between the larger particles.

What grind size should I use?

Use fine drip or espresso grind. Espresso grind takes longer to press and requires skill and patience for multiple scoops but makes a richer brew more quickly due to more particle surface area.

How much coffee does the AeroPress scoop hold?

A level scoop holds 11.5 grams of coffee or about 2.5 tablespoons. A heaping (rounded) scoop of coffee holds 14 grams or 3 tablespoons.

Does the AeroPress use more ground coffee than other brewers?

The AeroPress will make the same amount and strength of coffee from a given amount of coffee as other coffee makers. We have, however, found that when people use an AeroPress coffee maker, the coffee is less acidic and lacks bitterness so they often enjoy their coffee stronger – using more coffee to brew. We have also heard many people who report that when they moved from using a drip coffee maker to an AeroPress, they used less coffee because they only brewed what they planned to drink. They no longer pour out half pots of drip coffee.

I live in a high-altitude area where water boils at around 200°F (93°C). Does that change how I should use the AeroPress?

No, the temperature at which water boils is not relevant provided it boils at a temperature higher than your target brewing temperature.

Can you microwave water in the plunger?

We originally designed the plunger to be used as a heating vessel in a microwave oven (we even made its rim pour dripless) but we decided against recommending that procedure because we do not know whether it shortens the life of the seal.

My AeroPress brewed coffee is not hot enough. What can I do?

People who want their coffee really hot enjoy it at about 145°F (63°C). If your coffee is not hot enough, preheat your mug with hot water for a few minutes prior to pressing.

How can I heat water to the right temperature?

Microwave oven: Use a thermometer and experiment to determine the time needed to heat the desired amount of water to the desired temperature. Thereafter you just need to remember the amount of time.

Kettle: Poke a thermometer in the spout of your kettle and heat until it reads the desired temperature. You can also buy digital electric kettles that will heat to a set temperature.

Noisy kettle method: David VanDenburgh of Kettering, OH heats water in a kettle. He reports that when the water in the kettle begins making noise it has reached about 175°F (80°C). He has verified this with a thermometer and has found it to be true for both electric and stove-top kettles. He suggests experimenting in your own kitchen to make sure this is true of your own kettle.

Three-quarters of the time to boil: Heat the desired amount of water in a kettle or microwave oven and measure the time it takes to boil. Heating the same amount of water for three-quarters of that time will reach about the right temperature.

Instant hot water: If you have instant hot water in your kitchen, it’s probably close to 175°F (80°C) already. Test it and adjust if necessary.

Why do you recommend brewing with 175°F (80°C) water for medium and dark roasts and 185°F (85°C) for light roasts?

All of our tasters agreed that coffee brewed at these temperatures tasted the best. These temperatures deliver smooth, rich brews without the bitterness and acidity that come with using hotter water. Of course, taste is personal and you can use whatever water temperature makes coffee that tastes best for you.

When I press down on the plunger, the rubber seal “skips” as it moves down through the chamber. How do I make it plunge smoothly?

Try applying a small amount of vegetable oil or mineral oil to the edge of the rubber seal. That should help you press more smoothly. Over time as you use the AeroPress, coffee oils will replace the vegetable or mineral oil, providing continuing lubrication. If you don’t use your AeroPress for a few weeks, lubricate with some vegetable or mineral oil to reestablish lubrication.

How many bars of pressure can you achieve in the AeroPress?

The AeroPress filter is 2.5 inches in diameter so the area of the filter is 4.9 square inches. If you press down firmly on a scale, it is relatively easy to get the scale up to 25 pounds and then if you press hard on the scale, you can certainly get it up to 50 pounds. Therefore if you press similarly hard on your AeroPress while brewing coffee, the firm pressing will be at 5.1 psi (25 lbs/4.9 sq in) and the harder pressing will be at 10.2 psi (50 lbs/4.9 sq in). Since a bar of pressure is 14.7 psi, the former is .35 bar and the latter is .70 bar. We have done taste comparisons between minimal and maximum pressure on an AeroPress and our taste buds can’t tell the difference.

I only make crema some of the time with the AeroPress. Why?

Sometimes the AeroPress produces crema and sometimes it doesn’t. The determining variables are clearly in the coffee but we have been unable to pin down the set of variables that will always produce crema (coffee, roast level, coffee freshness, etc.). Fortunately AeroPress brewed coffee tastes good with or without crema.

Some water drips through the coffee and filter before I stir and press. Is that OK?

It is normal for a minor amount of liquid (about 5%) to drip through prior to stirring and pressing. If a lot of liquid runs through prematurely, remember to shake to level the grounds and pour the hot water slowly. If an excess amount still runs through prematurely, you need to use a finer grind of coffee.

Am I doing something wrong if it is hard to press?

1. You may need to use a better grinder. A good, sharp grinder grinds coffee into particles that are all the same size. A cheap or dull grinder produces a wide variety of particle sizes and the very small dust-like particles at the fine end of the particle size distribution block the flow through the other particles, effectively blocking your pressing.

2. Press gently, there is no rush. Pressing hard actually compacts the coffee particles into a barrier, making it harder to press. You can try pressing down half an inch, then hold the plunger there and let the air pressure in the chamber do the pressing for you. Then after 10 or so seconds of waiting, press another half inch down and repeat.

3. If the above two points don’t work, use a coarser grind until you get to where a minor amount drips through prior to pressing and then slow, gentle pressing takes 20 to 40 seconds.

If I am just making a single cup of American style coffee, can I push all the water for the cup through the press?

Yes, but when you push all the water for your cup through the grounds it extracts bitterness. Diluting an espresso sized pressing with hot water makes a smoother brew. If you prefer to make a cup of American style coffee this way, you can make an 8 ounce mug of coffee by adding a heaping scoop of espresso grind coffee to the chamber, filling the AeroPress chamber to the top with water, stirring for about 10 seconds, and then pressing all the water through.

How do I make iced coffee with the AeroPress?

Press some hot espresso style coffee from your AeroPress into a mug containing ice, and then dilute with the desired cold liquid (water, milk, etc.).

Another iced coffee AeroPress recipe from AeroPress lover Tom Gallo follows:

  1. Buy a pint of Talenti gelato.
  2. Eat the gelato and clean the container.
  3. Add one cup (8 oz.) of filtered water.
  4. Add one tablespoon of raw sugar.
  5. Add 1/4 cup of medium/coarse ground coffee.
  6. Put the lid on and shake to mix and dissolve the sugar.
  7. Refrigerate 24-72 hours.
  8. Filter using the AeroPress.
  9. Add 2-3 tablespoons of cream and one cup of ice.
How do I make a stronger concentrated coffee with the AeroPress?

Increase the amount of coffee you use and decrease the amount of water. Using a finer grind for a given steep time will also make your coffee stronger but you may have to limit the fineness of the grind to keep from making the pressing too difficult. Try using one heaping AeroPress scoop of espresso grind coffee, fill the chamber up to the (1) with hot water, stir it while it steeps for about 10 seconds, and then press gently for about 30 seconds. That will give you a good concentrate starting point.

How do I make a cappuccino?

A cappuccino is made up of equal parts espresso, hot milk, and foamed milk. The traditional way of foaming and heating milk is with steam. But those who have tried battery powered stirrers agree that they do a great job of foaming milk and are very easy to use and clean.

How do I make a latte?

A latte is espresso mixed with hot milk. You can add hot milk to espresso style coffee or you can add cold milk and then heat the latte.

Does the AeroPress make real espresso?

Many people say that espresso must be made with 9 bars of pressure. If you use this definition then no, the AeroPress does not make espresso. But if you define espresso by the taste of the drink in the cup, certainly many people think the AeroPress can brew espresso. Since AeroPress brewed coffee can be made into lattes, cappuccinos, and other espresso based drinks, we feel it is important to use the term “espresso” when describing what the AeroPress brews so potential customers will understand how AeroPress brew can be enjoyed.

Can I brew tea in the AeroPress?

Yes, using the inverted method. Insert the plunger an inch or so into the chamber and then set the AeroPress on a counter with the plunger down. Put the tea into the chamber, pour hot water into the chamber, and let it steep. When ready, put a filter into the filter cap, screw the cap onto the chamber, carefully invert it onto your mug, and press. Be advised that using the inverted method may increase the risk of spilling hot water and the risks associated therewith.

What’s the advantage of using the “inverted method” with the AeroPress?

People who use the inverted method do so to prevent any premature drip-through of their coffee and to give them complete control over usually longer brew times. If you want to use a long brew time, then the inverted method has an advantage. We think shorter brew times brew better tasting coffee but taste is certainly personal and people should brew their coffee the way it tastes best to them. Be advised that using the inverted method may increase the risk of spilling hot water and the risks associated therewith.

Can I store AeroPress brewed coffee for later use at a party?

Yes, we recommend brewing as much AeroPress espresso style concentrated coffee as you want in advance of a party and then storing it in a sealed container in your refrigerator. You can add hot water or hot milk to it when the time comes to serve it.

Do you make a larger AeroPress coffee maker for use when I want to brew a full pot of coffee?

We don’t currently make a larger AeroPress. But if you do two or three 3-scoop pressings into an 8 or 12 cup vacuum pot and then top off the pot with hot water, you will have enough American style coffee to serve a small gathering in less time than it takes to brew a pot of drip coffee.

I’ve heard that coffee contains cholesterol-raising elements. Are those elements present in AeroPress brewed coffee?

Cafestol and kahweol are diterpene molecules found in coffee. They are powerful agents that cause our bodies to increase the low density lipoproteins (LDL or “bad” cholesterol) in our blood. Cafestol and kahweol are removed from coffee by paper filters. Any coffee maker using a paper filter (such as the AeroPress coffee maker) removes virtually all of the cafestol and kahweol from the brew. We had this verified by an independent test lab for AeroPress brewed coffee.

AeroPress brewed coffee seems gentler on my stomach than coffee brewed other ways. Why is that?

AeroPress brewed coffee contains about one-fifth the acidity of drip brewed coffee and one-ninth the acidity of French press brewed coffee. Because of this it’s easier on your stomach.

Does AeroPress brewed coffee have more or less caffeine than coffee brewed in other devices?

Tests done by an independent researcher showed that the caffeine content of AeroPress brewed coffee is the same as comparable strength coffee brewed using other methods. People often find they enjoy their coffee stronger when it is brewed in an AeroPress because of the lack of bitterness, so that would result in more caffeine per cup.

Where do I get more AeroPress filters?

Most retailers that sell the AeroPress also sell replacement filters. For a list of retailers that sell the AeroPress, visit our retailer listings.

Can I compost AeroPress filters?

Yes. Once you are finished with making coffee simply eject the puck of grounds and filter into your compost bin.

Can I reuse AeroPress filters?

Yes. Some people reuse AeroPress filters dozens of times. When finished with a pressing, peel off the filter from the puck of coffee, rinse it, and place it in the filter cap to dry in position for use with the next pressing. “We are very happy with our AeroPress,” writes Hanne from Amsterdam in the Netherlands. “And really amazed how long a paper filter lasts. In one month we only threw one away!”

Do you make unbleached filters for use in the AeroPress?

No. We did a market test and bleached filters were far more popular than unbleached filters with our customers. The AeroPress filter is just a 2.5 inch (63.5mm) diameter circle of the same filter paper used in a cone filter. You can cut your own from unbleached cone filters.

Is there dioxin in AeroPress paper filters?

No. The bleaching process used by filter paper manufacturers until the late 1980s used chlorine gas and the chlorine gas bleaching process created dioxin as a byproduct. In the late 1980s the filter paper mills switched to using what is called the non-elemental chlorine bleaching process (they use a chlorine compound, not chlorine gas) to eliminate producing dioxin as a byproduct. We cut AeroPress filters from rolls of the same paper that is used to make the cone filters used in standard drip coffee makers.

Do you recommend using a metal filter in the AeroPress?

Every AeroPress coffee maker comes with 350 AeroPress paper filters. Most retailers that sell the AeroPress also sell replacement packs of 350 AeroPress paper filters. We do not manufacture or sell filters for use in the AeroPress made of other materials such as metal. We were originally planning to include a metal filter with each AeroPress but when we conducted blind taste tests comparing paper filtered AeroPress brewed coffee with metal filtered AeroPress brewed coffee, the paper filtered coffee always won. We also learned using a paper filter is healthier because it removes diterpenes from coffee and diterpenes are potent agents that raise your bad cholesterol. AeroPress paper filters are 100% compostable along with the coffee grounds and they retail for slightly more than a penny a piece so they are gentle on the environment and your wallet.

There are many companies, both domestic and foreign, that manufacture filters designed for use in the AeroPress coffee maker made of other materials, particularly metal. We do not object to these other companies selling their filters but none of them can legally use our AeroPress trademark. It is important to note that the AeroPress limited one year warranty does not cover operation with a filter made by another company or damage to the AeroPress caused by use of such a filter.

How does the AeroPress differ from other brewing methods? Why did you take the numbers off the plunger?

We stopped putting the water level marking numbers on the plunger because we were concerned that they encouraged the use of the plunger in microwave ovens and we just do not know what effect microwaves have on the life of the rubber seal.

What is the purpose of the stirrer? It doesn’t seem necessary.

We designed the stirrer so that you cannot stir too deeply and tear the filter paper. You can tear the filter paper if you use a spoon to stir. All the black parts of the AeroPress are made with one injection step so the extra cost to include the stirrer is very little. As polypropylene, the stirrer is recyclable if you’d like to get rid of it.

What is the purpose of the funnel?

Use the AeroPress funnel to transfer the ground coffee from your coffee grinder bin to the AeroPress chamber. It was not an intended use but users have told us that the funnel fits on the bottom of the chamber and enables you to press into smaller mugs. If you do this, we advise you to make sure you use a sturdy mug and that you firmly hold the mug and AeroPress during pressing to avoid spilling.

The seal doesn’t touch the coffee grounds until the very end of the process. Does that mean that air pressure is actually “pressing” the coffee?

Yes. The plunger pushes a column of air and the air in turn pushes the coffee. The air provides a uniform smooth pressure.

Do I need to use a stand with the AeroPress?

No, a stand is not needed. Baristas sometimes use stands because they are pressing into paper cups which could not withstand the direct pressure of an AeroPress.

Why are there holes in the sides of the filter cap? Doesn’t the coffee coming out of them miss being paper-filtered?

The bottom circular rim of the chamber is firmly clamped down on the paper filter when you screw the filter cap onto the bottom of the chamber. Therefore all the coffee that you press down must go through the filter paper. There is a tiny amount of coffee that instead of going straight through the filter and into your mug goes sideways through the filter paper and emerges outside of the chamber in the filter cap. The side holes in the filter cap are there to enable this small amount of coffee to drip down into your mug. If those side holes were not there, some of this coffee would be pushed up and over the rim of the filter cap and then drip outside your mug.

What are the maximum and minimum mug diameters the AeroPress fits?

The biggest mug you can press into with the AeroPress has a top inner diameter of 3 3/4 inches (95mm). The smallest mug you can press into with the AeroPress has a top inner diameter of 2 5/8 inches (67mm).

Why did you remove the four ridges on the outside of the plunger?

We removed the ridges because they were scratching the inside of the chamber and had no function. We initially put the ridges on the plunger because we thought they would provide needed additional strength. That was not the case and to our surprise they were a source of scratching of the inside of the chamber. Some consumers think that the purpose of the ridges was to center the plunger and steady it as it was pressed down into the chamber, but that was not the case. The ridges were not big enough to center the plunger in the chamber and such centering was not needed anyway.

I’ve had my AeroPress for awhile and it smells like stale coffee. Is there any way to get rid of the smell?

We did a thorough washing of our much-used office AeroPress and found that some coffee smell remained afterward. We also thoroughly washed the glass carafe of our drip coffee maker and had the same experience. We then thoroughly washed some espresso-machine components and found that those, too, retained some coffee smell. We could not fully remove the coffee smell from any of these machines.

My seal is sticky. How do I clean it?

The seal can be cleaned using hot water and dish soap. We advise you to occasionally remove the seal from the plunger and wash it with hot, soapy water to prevent the accumulation of oils. Use a paper towel to provide a little abrasiveness.

Can I clean the AeroPress in the dishwasher?

You can in the top shelf, but a simple rinse is sufficient because the plunger wipes the chamber clean.

What if I need a replacement part?

You can purchase replacement parts by calling AeroPress, Inc. at 1-650-493-3050 (if you live in the USA) or by contacting the distributor in your country (if you live outside the USA).

The filter cap is stuck tight onto the chamber. How do I remove it?

You can try lubricating the filter cap with a little water or cooking oil to make it easier to turn. Or, you can buy sheets of rubber like material that help you grip the lids of jars to make it easier to twist the lids – try using one of those. You also can try running hot water over the filter cap (not the chamber). The filter cap expanding with heat may make it easier to turn.

My rubber seal no longer forms a tight seal with the chamber.

WHAT HAPPENED? Your seal has become compressed and is no longer big enough to tightly seal the chamber. Whenever the seal is inside the chamber, it is being held compressed. Eventually the compression forces prevail and the seal becomes too small. To maximize the life of your seal you need to minimize the time your seal is held compressed. This means eject the spent coffee immediately after every pressing and store the seal either pushed all the way through or removed from the chamber.


Buy a new seal: The seal can easily be replaced on the end of the plunger so one solution is to buy a new seal by calling our Customer Service Department at 1-650-493-3050 (if you live in the USA) and by contacting the importer/distributor in your country (if you live outside the USA). With care, a new seal should last at least three years.

For a quick fix: Joe Lindsay sent us his short-term fix: First place the rubber end of the plunger in some hot water for a couple minutes. Then press the rubber end of the plunger onto a flat surface such as a cutting board. While pressing roll the seal around on its edge so that you are pressing the edge out, widening the circumference of the seal.

For a longer-term fix: AeroPress fan Bruce Forsberg has a suggestion for a fix that he says will last a few months. He writes, “When the plunger has ever felt like it’s getting loose, I take the seal off the plunger and submerge it in a little water in a glass beaker. Then I microwave it until the water boils for about 30 seconds. After it cools a little, I put the seal back onto the plunger and put it away. This has restored the seal at least three times so far and it generally lasts a few months before it needs another treatment.”

The seal came off the plunger. Can I put it back on?

Yes. The black seal is fitted onto the end of the plunger. There is no adhesive. To fit the seal back onto the end of the plunger, position the seal on the end of the plunger and then turn the seal while pressing it onto the plunger until it gets fully seated.

How do I separate the chamber and plunger?

Holding the AeroPress with the seal facing you, brace your fingers around the chamber flange and push both of your thumbs against the seal. This will push the plunger up through the chamber making it easier to pull the two pieces apart.

How much does the AeroPress weigh? I’m a serious backpacker and every ounce counts.

The parts of the AeroPress you would take along (the chamber, the plunger, the filter cap, and however many paper microfilters you thought you’d need) weigh about 7 ounces. You would leave the AeroPress filter holder, scoop, funnel, and stirrer at home, and use whatever spoon you were already bringing on your hike as a scoop and stirrer.

Ground coffee floating around in the chamber makes it difficult for me to judge water level in the AeroPress. What do I do?

Try pouring in half of the water, stirring to wet all the grounds, and then pouring up to the desired level.

I have heard of brewing recipes for the AeroPress that are completely different from the ones provided in the instructions. What is the best way to brew with the AeroPress?

The instructions provided with the AeroPress really only describe a starting point from which users can stray if they wish. The taste of brewed coffee is affected by all the variables in the brewing process. When using an AeroPress the user selects the water temperature, the brew time, the coffee to water ratio, etc. The AeroPress is a tool that enables the user to control all the brewing process variables and thereby brew a particular coffee with a desired brewing recipe. Taste is personal. There is no right answer to the question of how to brew a particular coffee and there is certainly no right answer for how to brew all coffees. With that said, we think the method described in the instructions is a good one for most coffees.

AeroPress® is a registered trademark of AeroPress, Inc.Copyright ©2018, AeroPress, Inc.


Best Coffees for AeroPress | Cafe Altura

If you like to brew a single cup of coffee at a time, then the AeroPress is probably right for you. This device mixes the coffee grounds with hot water. Then, the coffee drinker uses a plunger to push the coffee through a filter. It only takes thirty seconds to brew coffee with this method. Once finished, the coffee has close to the same strength as an expresso.When choosing coffee for an AeroPress, people need to consider the grind, roast, and country of origin for the coffee beans. This will allow them to get the best flavor out of the coffee they brew with the AeroPress.


Always use a fine grind when using an AeroPress. The finer the grind, the richer the coffee will taste. You will lose a lot of flavor if you go with a coarse grind. Next, you need to look at the roast.


All roast types work with the AeroPress. However, it is good idea to choose a roast that is a little lighter than what you would normally drink. For example, if you usually go with a dark roast, go with a medium so it does not overpower you.

After you choose your roast level, you need to decide on the country of origin for the coffee beans. You need to choose a country that provides the flavor and style you want in a coffee bean. This will greatly influence the way the coffee tastes after it is brewed.

Colombian Coffee

Colombian coffee is an excellent option when using an AeroPress due to this coffee’s balanced taste. It is full-bodied but incredibly smooth. This type of coffee also has moderate levels of acidity and sweetness. AeroPress users enjoy the increased taste of the AeroPress without feeling overwhelmed when they drink this coffee.


Mexican Coffee

Mexican coffee is known for boasting a wide variety of flavors. These flavors are enhanced when you brew the coffee with an AeroPress. In fact, you will enjoy a depth of flavor that is often lost with other brewing methods. It is a good idea to go with a medium roast if choosing Mexican coffee for an AeroPress since a dark roast can be overwhelming.


American Coffee

While the United States is not usually known for its coffee, Hawaii brews one of the most popular coffees available. Hawaii is home to Kona coffee. This type of coffee is perfect for the AeroPress. This medium-bodied, balanced coffee tastes clean and smooth. It has a creamy taste with a hint of chocolate. The AeroPress brings those flavors out so coffee drinkers can enjoy them to the fullest.


Nicaraguan Coffee

With its nuanced flavors, Nicaraguan coffee is perfect for the AeroPress. The AeroPress will bring some of the subtle flavors to the forefront so you can enjoy them to the fullest. You may notice flavors that you miss with other brewing methods.



Brazilian Coffee

Brazilian coffee beans often end up in expresso blends. Because of that, they are an obvious choice for the AeroPress. When you put Brazilian beans in the AeroPress, chocolate, spice, and peanut undertones will come out. You will also enjoy a clean aftertaste with this type of bean.

These are all excellent coffees for the AeroPress. They all have delicious flavors that come to the forefront with this brewing method. Many of the flavors are washed out with other brewing methods so prepare to be amazed by how delicious coffee can be. You will discover flavors that you did not think were possible in a cup of coffee. Mix and match so you always have a variety of coffees to choose from.

(images courtesy Roland Tanglao, Pål-Kristian Hamre / CC 2.0)


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