Frequently Asked Coffee Questions. Faq кофе

Coffee FAQ


Basically its one boiler, with one element can produce the two different temperatures required for making a coffee. The lower of the temperatures is for the brewing, and the higher is for the steaming and hot water. The element is used to heat water in the boiler and the water in an inner pipe which supplies the water to the group head. It means that you can brew and steam at the same time.


As the name indicates, the machine has two separate boilers, one is for the brew temperature and the other is for the steaming and hot water.


Patented in 1961 which was the year of an eclipse is why this part of a coffee machine is called and E61 and it has nothing to do with its size!!! This group head is the large “nose” which you see on some coffee machines and it’s where you lock your handle in. It’s made of solid brass and contains a “pre-infusion” chamber which reduces the pressure in the group head and gradually increases it. The pre-infusion improves the flavour of coffee because it doesn’t “shock” the first oils which are extracted from the coffee. An E61 group head is a standard industry part made by various manufacturers and takes what is called a porta filter handle which is a standard 58mm size. There are some slight variations but on the whole, they are almost all the same.


If there is one gauge on a machine and this display a number up to two or three then this is the “boiler gauge” and it tells you what the pressure is reading in the boiler. If a machine has a second gauge and the number go up to approximately 12, then this is the group head gauge and tells you what pressure you should expect in your group head. It’s important to know that most group head gauges measure the pressure from between the pump and the solenoid so it’s not an accurate reading at the group head, this can only be achieved by using a manometer connected to a blanked off porta filter handle.


This is the handle you put the ground coffee into, then lock into the coffee machine. There are various parts to the handle, the actual porta filter handle, then there is the porta filter basket and a spout/spouts. As a general rule, there are three types of handles, a single, double and naked.


This means there is no base to the bowl in the handle, a basket (usually a 21g basket) hangs in the handle and the perforated bottom is exposed. It’s used as an aid to make sure the tamp and grind are correct and if this is achieved there you should see no spraying of coffee and the extraction pours to form a central single pour. It is often said that the extraction is smoother than when using a standard porta filter handle.


Once coffee is put into the porta filter handle it require tamping down, this means compacting the coffee evenly. Various different methods are used but all require a tamper which is a handle with a base the size of your porta filter handle.


This is referred to the method of evening out the coffee in a porta filter handle. Think of it this way – if you make a sandcastle and the sand isn’t even in a bucket, the finished sandcastle with have cracks. It’s similar for coffee and if you have “cracks” then water will always find these as it wants to find the easiest route and will effectively miss out the majority of flavour in the ground coffee. Different methods are used but the end result is to create an even texture of coffee before you tamp.


If you tamp too hard, then you restrict the flow of water through the coffee often resulting in a bitter tasting coffee. If you don’t tamp hard enough then water simply rushes through and doesn’t pick up the flavours on its way through. It is thought that 30lbs of pressure gives the best results however this will depend on personal taste and the grinder used to grind the coffee.


A PID is the digital control seen on coffee machines which display the temperature. It stands for PROPORTIONAL INTEGRAL DIRIVITIVE and think of it as a memory for the machine to build up to create temperature stability. Different models will have varying amounts of software and parameters and not all PID’s are the same.


A thermoblock is used to heat water and works very much the same as a domestic shower.


This is the rate in which the oils from the coffee are extracted. We time these to determine if the grind texture is correct. If an extraction is too short, then the coffee is ground to course, if the extraction is too long, then the coffee has been ground too fine.


It depends on how you like your coffee and what machine you are using. As a general rule it should take between 22 and 32 seconds.


Both do the same job in providing 9 bar of pressure to the group head (which can be adjusted on a Rotary pump). As a general rule, vibration pumps last approximately 2-5 years and a Rotary pump should last between 4-7 years. Vibration pump are usually considerably less expensive to replace and a Rotary pump as two parts – the pump and the motor and are physically bigger. If noise level is important then Rotary pumps are less noisy than a vibration pump.


A puck is the compacted coffee left in the porta filter handle after you’ve made a coffee.


Absolutely yes!! Lime scale is the biggest killer in coffee machines and causes 99% of problems. If you live in a hard water area then you’ll need to descale more frequently than in soft water areas. Thermoblock coffee machines are more difficult to descale and it’s advisable to check manufacturer’s instruction before a procedure however boilers will need regular cleaning. Aluminium boilers will need specialist cleaning products but stainless steel, brass and copper boilers can be descaled using citric acid or other similar products.


Very!!!! A high quality coffee machine will produce great coffee but if the ground coffee has been damaged by an inferior grinder then the quality is decreased. A cheap grinder can burn the oils in coffee before you’ve even brewed it. Blade grinders are an absolute No No!!! These simply destroy any flavour and must be avoided at all cost. Burr grinders are recommended and if possible, flat burrs produce a better flavour than conical burrs (unless it’s a large commercial grinder). The burrs contain a set of a bottom and top plate which have groves. These spin against each other and depending on how far apart they are set will depend on the texture of the grind. The bigger the burrs, the more they disperse the heat created during the spinning so when greater quantities of coffee are required, the bigger the burrs should be. Grinders are also determined by whether they are a “stepped” adjustment for the coarseness or micro adjustment. For high quality machines the latter is required as it gives more control over the timing of the extraction.


Most machines will take a matter of minutes to heat up but if your machine has an E61 group head, a large boiler or two boilers you need to allow plenty of time for it to fully heat up. It’ll take several minutes for the machine’s boiler to get up to pressure and in theory, you can now make coffee but you’ll improve your coffee enormously if you can allow for the group head and all the metal in your machine to get nice and warm and this can take up to half an hour.

Coffee FAQ - Dean's Beans

1. What are green beans, and how do I use them?

Green beans are raw, unroasted coffee beans.  They need to be roasted before brewing (don’t try to grind or brew them raw!  It is not an enjoyable experience!).  We have a number of different green bean varieties we sell if you are into home-roasting your own coffee.  Each origin has its own unique properties and flavors, and responds differently to various roast times and temps.  In our green coffee descriptions, we offer some guidance on how to best roast each of the green beans.  Or you can visit our new Home Roasters Guide.

If you are interested in beginning to roast your own beans, you can get started with something as simple and affordable as a popcorn maker!  We recommend the Whirley Pop at first, and once you’re ready to dive in, we also sell a great homeroaster called the FreshRoast SR-500. 

For questions about homeroasting, contact our Head Roaster directly here:  [email protected]

2. Do you sell green beans in bulk or through wholesale?

Unfortunately, we do not sell our green beans wholesale or offer larger-sized bags or bulk discounts.  We need to keep our precious supply of green beans for our own roasts, and we do not have a facility large enough to store beans to wholesale to the tons of roasters who are looking to purchase.  We only sell in small amounts to home roasters.  You can purchase them in 1 pound or 5 pound bags.

We also cannot sell you our proprietary blends in green bean form, silly! That would be giving away our big secrets.  And besides, experimenting with your own blends is the fun part, right?

3. How do I know which grind I should select?

It all depends on what brew method you use (see our Brewing Guide page for a complete breakdown). First, your coffee will be the freshest if you order whole bean. Once beans are ground, oxidation speeds up and eventually coffee staling - extreme loss of flavors and aroma - occurs. So, purchasing whole bean and grinding yourself will keep the beans fresh, for a longer period of time.

It is best to grind your coffee just before you brew it, but we also understand the value of convenience by having us grind it, or you simply might not own a grinder (wanna get one? Go here!) For these reasons, we are happy to grind your coffee for you in one of three ways:

    • Normal Grind: best for all autodrip machines
    • Fine Grind: best for espresso
    • Coarse Grind: best for French Presses and percolators
4. What is the best way to store my coffee? 

Once coffee beans have been roasted and degassed (rested), they then go through what is called oxidation. This is essentially the gradual loss of aroma and flavors in the beans, due to the introduction of oxygen to their chemical makeup. Oxidation is usually slowed down via proper packaging and storage.  Fresh roasted coffee should be kept in a cool, dry and dark place in an airtight container.  Unopened one-pound bags, however, are nitrogen-flushed and sealed, and will stay fresh for at least 3 months if left in stable temperatures.

To freeze or not to freeze…that is the question!  Although it is not ideal in terms of freshness, we recognize that many of our customers purchase in larger quantities to save money, and need to store coffee for a longer period of time.  This is where the freezer comes in.

If you want to freeze coffee, the trick is to break up the coffee into small increments that will last you two to three weeks. Put the coffee into a freezer safe bag or airtight container. Keep the first amount out on your counter for immediate use, and stash the rest of it in the freezer. Once you run out of the supply on your counter, just grab the next bag/container. What you DON’T want to do is take the coffee in and out of the freezer. The drastic changes in temperatures will cause it to stale much quicker. It should hold in the freezer in a freezer safe container/bag for up to 3 months.  

5. How do I brew the best cup of coffee?

Great question not easily answered!  People get their PHD in coffee brewing these days, spending their entire lives trying to answer this very question.  It all depends on what method you are using, and what kind of cup you are looking for.  Each method requires different grinds, water temperatures, times and other treatments.

Please visit our NEW Brewing Guide page for a breakdown of all the factors that go into a great cup of coffee, and the recommendations for various brewing methods. 

Of course, it also depends on what you mean by "best."  To us, the "best" cups of coffee are the ones that have an impact on more than just your taste buds.

6. What does Natural Water-Processed Decaf mean?

Instead of using harsh chemicals to remove the caffeine from the coffee beans, the water decaffeination method uses water in a gentle eco-friendly process.  The beans are soaked in hot water for a designated period of time, and the caffeine leaches out. Then the solution is passed through a carbon filter that catches the caffeine particles, but leaves the water, oils, and flavors to be reabsorbed into the beans. You are left with a 99.9% caffeine free bean, without sacrificing great taste or adding unneeded chemicals to the environment and your body.

7. What is the difference between arabica and robusta?

It’s all coffee (and here it’s all organic and fair trade), but Arabica and Robusta are two totally different species of coffee.  Most of our coffees are Arabica (as most specialty coffees are), but we have a great source for high-altitude organic robusta beans that we add to some of our blends because of their caffeine punch.  Robusta beans contains more caffeine than Arabica, which is why you’ll see a bit of it in our Italian Espresso Roast, Roadhouse, Berkeley Shark Bite and, of course, Ahab’s Revenge.

Here is a link to the full botanical breakdown of coffee by the Specialty Coffee Association of America.

8. What are Bean Points?

Bean Points are a new way to reward our loyal customers - hopefully, that includes you! When we launched our new site, on June 26, 2017, we launched the program. Basically, when you place an order while logged in (aka, you have a customer account!), you earn 1 Bean Point for every $1.00 spent. When you reach 200 Bean Points, you automatically get a $5.00 off coupon. The Bean Points hit your account as soon as we ship your coffee, so you might not see them until the day or so after you place your order. Some other details include...

  • You must be logged in in order to earn or redeem your Bean Points.
  • You earn points on coffee only, not shipping costs.
  • You will automatically receive emails when there are changes to your Bean Point balance.
  • You can see your Bean Point balance at any point by logging in to your Account.
  • Because of how the program is set up on our new website, we cannot go back and give you points for orders placed prior to June 26, 2017. Sorry for any inconvenience.
  • If you cancel your entire order, you will not earn Bean Points.
  • If you cancel part of your order, you will only earn Bean Points on what we actually ship to you.
  • When you have earned a coupon, you will see the option to apply it in the Payment Method section of checkout. All you need to do is be logged in, and to check the box that says "Redeem 200 Bean Points for $5 Off"
  • You can only use one coupon at one time, for a maximum discount of $5.00.


Product and Printing

Q:What is the Ripple Maker?


The Ripple Maker is a wi-fi enabled countertop device that prints images on top of a variety of foam-topped drinks.

Q:How does the Ripple Maker work?


The Ripple Maker works by combining patented 3D printer mechanics with Inkjet printing technologies. Put your finished drink on the self-rising tray, scroll through the available designs, and tap to select.

Q:How long does it take to print an image?


It takes just a few seconds to select and print each design.

Q:Does the Ripple Maker make drinks?


the Ripple Maker simply makes foam-topped drinks picturesque. Make your guest’s beverage by your usual methods, and then place the glass on the Ripple Maker tray and select your design. Ripples will let you add the perfect finishing touch.

Q:Are there tricks to creating a drink ready for Ripples?


Smooth, even foam, poured right to the brim of the glass, is the perfect canvas for Ripples.

Q:Do I need to train my staff to use the machine?


The Ripple Maker can be mastered in minutes. There is no need to set aside time for lengthy training sessions. But perfect foam with minimal or micro-bubbles is key.

Q:What's a Ripple Pod?


The Ripple Pod is a proprietary capsule filled with our patented coffee-based extract, that’s used to print each design.

Q:What does the Ripple Maker print with?


The “ink” is coffee extract, dispensed from your Ripple Pod. A single Ripple Pod will create approximately 500 prints. Ripple Pods are included with customer subscriptions and are re-supplied as per individual customer requirements.

Q:Will the Ripple Maker change the taste of my drink?


Because each print is created from a minuscule amount of coffee extract, there is no effect on the quality or flavor of the beverage being enjoyed. (Try matcha green tea, or a gin flip!) The added caffeine content within each print is neglible

Q:Are Ripple Pods available in different colors?


The Ripple Pods are preservative and artificila ingredient-free, so all prints are in ‘coffee-scale’.

Q:Are Ripple Pods refillable?


Ripple Pods are not refillable. Only our specially developed coffee extract can be used to ensure food-safe, high-quality prints.

Q:Does the extract have any gluten or other allergens?

Q:Are Ripple Pods kosher?


Yes, the Ripple Pods and coffee extract are certified kosher.

Q:How many prints can you make with on Ripple Pod?


A single Ripple Pod will create approximately 500 prints.

Q:I'm low on Ripple Pods - how do I get more?


Ripple Pods aren’t sold individually, they’re included as part of your subscription. Our team tracks yoru machine’s status and will autmoatically ship you a new Ripple Pod before it’s needed. In case of a pod malfunction or to order extra pods for an event, simply contact customer support at [email protected]

Q:Do Ripple Pods require refrigeration?


No. Ripple Pods should be kept at regular room temperature, and not in the refrigerator.

Q:How regularly do Ripple Makers need servicing and who does it?


Ripple Makers do not require regularly scheduled maintenance, you just need to wipe down the drip tray at the end of each day. All machines are backed by a 1-year comprehensive warranty (or as required by law). The Ripples Customer Success team is available by phone or email for any technical support questions.

Q:Is there a patent on the Ripple Maker and Ripples?


Yes. Steam CC has been granted patents and trademarks on Ripples technology. Additional patents and trademarks are pending.

Purchasing and Availability

Q:How much does a Ripple Maker cost?


The Manufacturer’s Recommended Price for the Ripple Maker is $3000, with a subscription plan starting at $1200 a year (coming to just $100 a month), for US Customers. International pricing varies based on local fees and partner arrangements.

Q:Who can purchase a Ripple Maker?


The Ripple Maker is available for businesses that sell or serve drinks as a course of their every day business. It must be staff operated in a stationary location. (Ripples is not currently available for catering outfits or food trucks).

Q:Can I purchase a Ripple Maker for use in my home?


For now, the Ripple Maker is only available for businesses, and is designed for use by a barista, bartender, or other drinks professional.

Q:Is the Ripple Maker covered by a warranty?


Yes, all of our machines are covered by a one-year warranty, or as required by law.

Q:Can I order a Ripple Maker for use on a trial basis?


Due to a high volume of orders, we are not offering product trials. Email our sales team and we’ll be happy to answer any questions you have.

Q:Can I rent a Ripple Maker for use at an event?


The Ripple Maker is available for events. Our team will partner with you to wow your guests with custom content, right on their drinks. Staffing is required. Visit to learn more.

Q:How quickly can I expect to see a return on investment (ROI) from my Ripple Maker?


Our customers that charge their customers for adding Ripples to their drink, report full ROI in only 3-5 months. Customers who utilize Ripples as part of their Customer Experience program say that for the minimal cost that the Ripples platform entails, it represents the highest ROI of their program.

Customers that use Ripples as part of their Digital Marketing strategy report that they receive ROI for their $100pm, every month!

The Company

Q:Who manufactures the Ripple Maker?


The Ripple Maker is made by Steam CC, a privately held, venture-backed company.

Q:When was Ripples started?


The principal technology has been in development since 2007. The Ripples brand was established when we got seed funding in 2014.

Q:Where is Ripples headquartered?


Ripples is headquartered in Petach Tikva, Israel, just outside of Tel Aviv.

Q:What is the connection between Ripples and Steam CC?


Steam CC Ltd is the parent company of the Ripples brand and Ripples Inc.

Q:When was the Ripple Maker launched?


The Ripple Maker had its debut at CE Week in NYC in June 2015. Beta customers received their Ripple Makers that October.

The Coffee Ripples app, which pairs with the device to allow the “end-drinker” to create anything they can imagine onto a cappuccino or latte, was launched at the International Consumer Electronics Show (CES) in January 2016. The product won the Last Gadget Standing award at the show.

Q:Where is the Ripple Maker manufactured?


The Ripple Maker device is manufactured by a Dutch company in a state-of-the-art manufacturing facility in China.

Ripple Pods and its Patented Coffee Extract are manufactured in Israel.

Q:Are you hiring?


We are always on the lookout for top talent. Visit to see open positions.

FAQ - Coffee Questions Answered •

Frequently Asked Questions


  1. What is a bean to cup coffee machine?
  2. Isn’t pre-ground coffee still fresh if it’s kept it in the fridge?
  3. Does making coffee from beans take much longer?
  4. Can you buy cheap bean to cup coffee machines?
  5. I already have an espresso machine, do I need a separate grinder?
  6. Do I have to clean my coffee machine?
  7. Can I make iced coffee in a coffee machine?
  8. Do coffee pods make good coffee?
  9. Are coffee pods bad for the environment?
  10. Where can I buy coffee beans from?
  11. What does bar pressure mean?
  12. Is coffee bad for you?


  1. What is a bean to cup coffee machine?


This type of machine completes the entire coffee making process for you, all the way from whole beans to grinding to brewing and to pouring. Because it makes coffee from whole beans, the coffee is as fresh as it can be. Full details here.



Bean to Cup Coffee is Better!


  1. Isn’t pre-ground coffee still fresh if it’s kept in the fridge?


The moment coffee beans are ground, they start going stale. No matter how quickly they’re packaged and sealed and taken to the supermarket, the grounds will still not be fresh compared to beans you grind yourself, even if you keep it in the fridge.

Pre-ground coffee can still be delicious however and is essential for those times when you want decaffeinated coffee. For this reason, most bean to cup coffee machines have a compartment for pre-ground coffee as well as beans.


  1. Does making coffee from beans take much longer?


Because whole bean coffee machines only grind the amount of beans required for the coffee you’ve asked for, the grinding process is very fast. Once the beans are ground they’re sent straight to the brewing section and brewed so that you have your coffee within minutes. And the best part is, the whole process is automated!


  1. Can you buy cheap bean to cup coffee machines?


The reason why these machines are more expensive than many espresso or pod coffee machines is that they have fairly complex and high quality components inside, especially when it comes to the inbuilt grinder. A good starting point is the De’Longhi ESAM 4200.

However, if you’re looking for a fantastic coffee every day, then a good whole bean coffee machine will actually pay for itself in under a year if you normally haunt coffee shops.

The cheapest whole bean machines start from around £250, which is a great price when you think that they last for years, even decades, and stop you from spending your hard earned cash in that Starbucks by the station.


  1. I already have an espresso machine, do I need a separate grinder?


Coffee tastes best when the beans are freshly ground and if you really want the best coffee and already have some form of coffee machine, a standalone grinder is a great option. Check out our grinder section here.


  1. Do I have to clean my coffee machine?


Many high quality coffee machines have self-cleaning functions as well as descaling functions. It’s important to clean the bean compartment out with a quick rinse often and wipe the milk frothing end, firing through an extra shot of steam to keep it clear.


Mostly though, good coffee machines are amazingly self-sufficient. See the How to Clean section here


  1. Can I make iced coffee in a coffee machine?

Some coffee machines have iced coffee and cold brew settings and if this is your second love in life, then focus on machines with that function. A step by step cold brew guide can be found here.


  1. Do coffee pods machines make good coffee?


The coffee pod machine revolution is all about convenience and machines from the Dolce Gusto and Tassimo ranges are great if you want a tasty coffee in a flash. The coffee isn’t going to in awards, but it will be nice.

The real bonus of these machines is that you can get pods with many teas and hot chocolates as well as coffee flavours. This makes pod coffee machines very convenient for households of mixed drinkers.


  1. Are coffee pods bad for the environment?


In short, yes. Most coffee pod companies still use non-recyclable pods. While some companies are offering a system where you can send the empty pods back to them for recycling, it involves either posting the pods to them or dropping them off at certain drop-off points in very few areas.

Pod companies are working on more environmentally friendly capsule designs but, for the most part, pods aren’t environmentally friendly. Tassimo has teamed up with British company TerraCycle however and you can find out about recycling Tassimo TDiscs for free here.


  1. Where can I buy coffee beans from?


Grinding beans at home is becoming more and more popular and so the availability of whole beans is increasing all the time. Major supermarkets usually have reasonable selections of whole bean coffee but for a more adventurous and even fresher taste, check out the local bean roasters on their websites and on Amazon. Often, you can subscribe to get a packet of freshly roasted beans to your door every week!

Check out these 5 British coffee roasters here


  1. What does bar pressure mean?


When you buy a coffee machine, it will operate at a certain pressure. This is the pressure that the water is forced through the coffee grounds in order to pick up the right about of strength and flavour.

Pressure is measured in units called ‘bars’ or ‘a bar of pressure’. In general, espressos need to be made with at least 9 bars of pressure to achieve the richness and strength.

Rich espresso needs at least a 15 Bar pressure pump.

Professional coffee machines often have 12-15 bars of pressure and, increasingly, home coffee machines are seeing these pressures too. Poor quality cheap espresso machines may have as little as 3 bars of pressure, and this really isn’t enough for a decent coffee at all.


  1. Is coffee bad for you?


Coffee can get a bad rep here and there but it’s mainly due to misinformation and the fact that some medical conditions and pregnancy require the dialling back or cutting out of coffee.

Enjoy great coffee with your friends

Actually, coffee is fairly good for you if drunk in moderation and can reduce your risk of many diseases as well as aiding weight loss, performance in exercise and mental ability.

Oh and that thing about coffee being dehydrating? Not true. While caffeine has a slight dehydrating affect, the water in your coffee more than makes up for it!

Check out the health benefits of coffee here just to put your mind at rest.

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