You might wonder why anyone would make tea in a coffee maker. Sometimes you just want tea fast and the coffee machine sits right there on your counter. When you use a coffee maker, you can brew tea quickly, but you may notice the taste changes. If you want to make tea and only have a coffee maker, you need to know what happens to the flavor. Tea in a coffee maker works, but you should think about cleaning the machine first. You might taste old coffee if you skip this step. Some people love the convenience, while others miss the classic way to make tea.
Key Takeaways
You can make tea in a coffee maker, but you need to clean it first. This stops coffee taste from mixing with your tea.
Black tea and herbal tea work best in coffee makers. They can handle high heat and longer brewing times.
Use filtered water and the right amount of tea for good flavor. Loose leaf tea tastes better than tea bags.
Change how strong your tea is by using more tea. You can also run the brew cycle twice for stronger tea.
Do not leave tea on the hot plate. This can make your tea taste bitter or flat. Pour the tea into another container after brewing.
Clean and descale your coffee maker often. This helps your machine work well and stops damage from tea leaves and minerals.
Coffee makers make tea quickly and in big amounts. This is helpful for busy mornings or when you have guests.
For delicate teas like green or white, use machines with temperature control. You can also use regular brewing for better taste.
How Coffee Makers Brew Tea
Brewing Mechanism
When you use a coffee maker to brew tea, you rely on hot water passing through tea leaves or tea espresso powder. The machine heats water and pours it over the tea, letting the tea drip into the pot or cup. This method works because hot water helps dissolve important compounds from the tea leaves. You get polyphenols, amino acids, and even essential oils, which all add flavor and aroma. The way the machine controls water flow and brewing time changes how much of these compounds end up in your cup.
If you use fine tea espresso powder and more water, you pull out more sweetness, caffeine, and fresh taste. Smaller tea particles let the water reach more surface area, so you get a stronger brew. You might notice that single-serve coffee makers can extract more flavor in one go compared to traditional methods. The science behind this is simple: water solubility and particle size decide how much goodness you get from your tea espresso.
Tip: If you want a sweeter and less bitter cup, try using finer tea espresso powder and let the tea drip with a bit more water.
Coffee vs. Tea Brewing
You might think brewing tea and coffee in a machine is the same, but there are key differences. Coffee usually needs water between 195°F and 205°F and a short brewing time. Tea, on the other hand, comes in many types, and each one likes a different temperature and steeping time. Take a look at this table:
Tea Type | Water Temperature (°F) | Steeping Time (minutes) |
|---|---|---|
Black | 212 | 3-5 |
Green | 140-180 | 1-2 |
White | 175-180 | 2-3 |
Oolong | 195 | 2-3 |
Pu-erh | 212 | 5 |
Herbal | 212 | 5-10 |
Rooibos | 212 | 5-10 |
You see, tea espresso needs a wider range of water temperatures. If you use a drip coffee maker, you usually get water close to boiling, which works well for black or herbal tea espresso but might burn delicate green tea. The method you choose affects the taste and strength. If you let the tea drip for too long or use water that’s too hot, you risk losing the fresh flavors.
Types of Machines
Not all coffee makers are equal when it comes to brewing tea espresso. Some machines have a hot water dispenser, which is perfect for making tea without any coffee taste sneaking in. You can find models like the Ninja Luxe™ Café Pro 4-in-1, which lets you brew tea espresso, coffee, and even cold drinks. If you want to control water temperature, look for machines with temperature presets, like the Ninja® Precision Temperature Kettle. These let you pick the right heat for your tea espresso, so you get the best flavor.
Machines with a hot water dispenser help you avoid coffee flavor contamination.
Temperature control lets you brew tea espresso at the perfect heat.
Drip coffee makers work well for black and herbal tea espresso, but you need to watch out for green or white tea espresso.
If you want to brew tea in your coffee maker, think about the type of machine you have. The right method and machine can help you let the tea drip and get a tasty cup every time.
Make Tea in a Coffee Maker
Tea Types to Use
You might wonder why some teas taste better than others when you make tea in a coffee maker. The answer comes down to how each tea reacts to hot water and brewing time. Black tea and herbal tea stand out because they handle high temperatures and longer brewing times. If you want a strong cup, these teas give you bold flavour and aroma. You can place tea bags right in the carafe or use the filter basket.
Take a look at this table to see which teas work best and why:
Tea Variety | Optimal Water Temperature | Recommended Brewing Time | Key Notes for Coffee Maker Brewing |
|---|---|---|---|
Black Tea | High (200-212°F) | 3-5 minutes | Best suited for drip coffee makers; strong brews when tea bags placed in carafe (e.g., English Breakfast, Earl Grey) |
Herbal Tea | High (200-212°F) | 5-7 minutes | Forgiving brewing; may require double-brewing for stronger flavour |
Green Tea | Moderate (170-180°F) | 2-3 minutes | Needs gentler brewing; use pause feature to avoid bitterness due to over-extraction |
White Tea | Moderate (160-170°F) | 2-3 minutes | Best brewed in machines with temperature control to preserve delicate flavours |
Oolong Tea | Medium (180-190°F) | 3-4 minutes | Brewing results vary depending on oxidation level |
If you want to experiment, you can add coarsely ground tea or loose tea leaves to the filter basket. This method works well for black and herbal teas. Green, white, and oolong teas need more care. If your machine has temperature control, you can make tea espresso with delicate teas and keep their flavour fresh.
Tip: Use filtered water for the best taste. Tap water sometimes changes the flavour of your tea.
Safety and Cleaning
You might ask why cleaning matters so much when you make tea in a coffee maker. Coffee oils build up inside the machine and stick to the carafe, filter basket, and brew chamber. These oils can ruin the flavour of your tea and leave a strange aftertaste. If you want pure tea flavour, you need to clean your coffee maker before you brew.
Here’s a simple cleaning routine you can follow:
Rinse all removable parts with warm, soapy water after each use. This removes coffee oils and keeps your tea fresh.
Deep clean the carafe and filter basket weekly. Use a specialized coffee cleaning powder. Pour it into the carafe, add boiling water, and let it soak for at least 20 minutes.
Wipe the reservoir and other reachable parts with a microfiber cloth to remove any buildup.
Descale the machine monthly to get rid of mineral deposits. This keeps your water hot and your tea espresso tasting great.
Always empty and dry the water reservoir after brewing. This stops mold and bacteria from growing.
If you want to avoid lingering coffee flavour, don’t use vinegar for regular cleaning. Vinegar can leave strong odors and may damage your machine over time.
Avoiding Flavor Contamination
You probably want your tea to taste like tea, not yesterday’s coffee. That’s why you need to clean your coffee maker every time you switch from coffee to tea. Coffee residue hides in small places and can sneak into your next brew. If you skip cleaning, your tea espresso will pick up unwanted flavours.
Here are some tips to keep your tea in a coffee maker tasting fresh:
Use one tea bag per cup for a balanced brew. If you like strong tea, add coarsely ground tea leaves to the filter basket.
Wash the carafe, filter basket, and lid after every use. This stops coffee oils from mixing with your tea.
Run a cycle with filtered water before you make tea. This helps rinse out leftover coffee and keeps your tea flavour clean.
If you use loose tea leaves, make sure to clean the filter basket well. Tea leaves can trap coffee oils and affect the taste.
Note: Regular cleaning not only keeps your tea tasting good, but also helps your coffee maker last longer.
When you make tea in a coffee maker, you need to think about flavour, safety, and cleaning. If you follow these steps, you can enjoy tea espresso with pure taste and aroma every time.
Brew Tea: Step-by-Step
Prepare the Machine
You want your tea to taste fresh and pure, so you need to start with a clean coffee maker. Why does cleaning matter? Old coffee oils and residue can change the flavor of your tea. If you skip this step, your tea might taste bitter or strange. You can avoid this by cleaning your machine before you brew tea.
Here’s how you can get your coffee maker ready:
Run a mixture of half a cup of vinegar and water through the machine. This helps remove old coffee residue.
Throw away the vinegar solution. Run hot water through the machine again to rinse out any leftover vinegar.
Wipe the carafe, filter basket, and lid with warm, soapy water. Dry everything well.
Use fresh, filtered water for brewing. Tap water sometimes adds unwanted flavors.
Tip: Cleaning your machine before you brew tea helps you get the best taste every time.
Add Tea to Filter
Now you need to choose your tea and decide how much to use. Why does the amount of tea matter? If you use too little, your tea will taste weak. If you use too much, it might taste bitter. The right amount of water and tea gives you a balanced cup.
You can use loose leaf tea or tea bags. Loose leaf tea gives you more flavor and freshness. Tea bags are quick and easy. Why pick loose leaf tea? The leaves expand during brewing, so you get a richer taste and more health benefits. Tea bags are good if you want a simple method and less cleanup.
Here’s how to add tea to your coffee maker:
Place a coffee filter in the basket.
For loose leaf tea, use about one teaspoon for every six ounces of water. If you want a bigger batch, just add more tea. For fluffy herbal or white teas, use a heaping teaspoon.
If you use tea bags, one bag works for about two cups (16 ounces) of water. For a pot (32 ounces), use two tea bags.
Put the loose tea leaves or tea bags into the filter.
Note: Adjust the amount of tea based on your taste. If you like strong tea, add a little more. If you want it lighter, use less.
Brewing Process
You’re ready to brew tea. Why does the brewing process matter? The way you brew tea affects its strength, flavor, and aroma. If you rush, you might miss out on the best taste. If you let it sit too long, your tea could turn bitter.
Follow these steps for a smooth brewing process:
Fill the carafe with the right amount of water. Use fresh, filtered water for the best results.
Pour the water into the reservoir of your coffee maker.
Start the brew cycle, just like you would for coffee.
Let the hot water flow through the tea in the filter. The water extracts flavors, colors, and healthy compounds from the tea.
Wait for the brewing to finish. Most machines take a few minutes.
If you want sweet tea, you can add sugar or honey to the carafe before brewing. The hot water helps dissolve it evenly. You can also experiment with different types of tea to find your favorite flavor.
Tip: If you use loose leaf tea, you get a more complex and fresh taste. Tea bags are great for quick brewing and easy cleanup.
Why use a coffee maker to brew tea? You get a consistent method, and you can make several cups at once. You control the amount of water and tea, so you can adjust the strength to your liking. This method works well for busy mornings or when you want to serve tea to a group.
After Brewing
Cleaning Up
You might wonder why cleaning up right after brewing tea in your coffee maker matters so much. If you leave tea leaves or bags in the filter, they can dry out and stick. Old tea leaves can also grow mold or bacteria. Coffee makers have small parts where tea and coffee residue can hide. If you skip cleaning, your next cup of tea or coffee might taste strange.
Here’s what you should do after brewing:
Remove the filter and tea: Take out the used tea bags or loose leaves from the filter basket. Throw them away or compost them.
Rinse the carafe and filter basket: Use warm, soapy water to wash away any leftover tea stains or oils. Rinse well so you don’t leave behind soap.
Wipe down the machine: Use a damp cloth to clean the outside and any parts that got splashed.
Dry everything: Let the carafe, filter basket, and lid air dry. This helps stop mold from growing.
Tip: If you want your next cup to taste fresh, always clean your coffee maker right after you brew tea. You avoid mixing old flavors with new ones.
You might think cleaning takes too long, but it actually saves you time later. A clean machine works better and lasts longer. You also get better-tasting tea every time.
Storing Tea
You may ask why you should care about storing leftover tea. Tea can lose its flavor if you leave it out. It can also grow bacteria if it sits at room temperature for too long. If you want to enjoy your tea later, you need to store it the right way.
Here’s how you can keep your tea fresh:
Pour tea into a clean container: Use a glass or stainless steel pitcher. Plastic can hold onto old flavors.
Let the tea cool: Wait until the tea is room temperature before you put it in the fridge. Hot tea can crack glass containers or warm up your fridge.
Cover the container: Use a lid or plastic wrap. This keeps out odors and stops the tea from picking up other flavors.
Refrigerate: Store your tea in the fridge. Cold tea stays fresh for up to 48 hours.
Note: If you see cloudiness or smell something odd, throw the tea away. Fresh tea should look clear and smell good.
You might want to make sweet tea. Add sugar or honey while the tea is still warm. Sweeteners dissolve better in hot tea. If you wait until the tea is cold, the sugar might not mix in well.
Storing tea the right way means you always have a tasty drink ready. You also avoid wasting tea and keep your coffee maker clean for next time.
Brewing Tea: Common Issues
Under Brewing
You might wonder why your tea sometimes tastes weak or watery when you use a coffee maker. This happens because the machine does not always give the tea enough time to steep. When you brew tea the traditional way, you let the leaves sit in hot water for several minutes. A coffee maker moves water through the tea quickly, so the leaves do not have enough time to release all their good stuff.
Why does this matter? If you do not give the tea enough time, you miss out on the rich color, strong aroma, and full flavour. You get a pale drink that feels flat. You might even think you used the wrong kind of tea, but the real problem is under brewing.
Tip: If you want a stronger cup, try using more tea leaves or bags. You can also run the hot water through the tea twice for a deeper taste.
Temperature Problems
You may ask why the water temperature matters so much when making tea. Different teas need different temperatures to taste their best. Black and herbal teas like very hot water, almost boiling. Green and white teas need cooler water. If your coffee maker only heats water to one temperature, you might burn delicate teas or not get enough flavour from others.
Why does this cause problems? If the water is too hot, green tea can taste bitter or harsh. If the water is not hot enough, black tea will taste weak and dull. Most coffee makers do not let you control the temperature, so you cannot match the perfect heat for each type of tea.
Black tea and herbal tea work well because they like hot water.
Green, white, and oolong teas can lose their fresh flavour if the water is too hot.
Note: If you want to avoid temperature problems, look for a coffee maker with a temperature control feature.
Flavor Loss
You might notice your tea does not taste as bright or fresh as when you brew it the classic way. Why does this happen? Coffee makers often use a hot plate to keep the pot warm. If you leave tea sitting on the hot plate, the heat keeps cooking the tea. This breaks down the delicate oils and compounds that give tea its unique flavour.
When you lose these oils, your tea can taste flat or even bitter. The longer the tea sits on the hot plate, the more flavour you lose. You might also pick up odd tastes from leftover coffee oils if you did not clean the machine well.
Here’s how you can keep your tea tasting great:
Pour the tea into a separate container right after brewing.
Avoid leaving tea on the hot plate for more than a few minutes.
Clean your coffee maker before and after making tea to stop old flavours from mixing in.
If you want the best flavour, drink your tea soon after brewing. Fresh tea always tastes better!
Machine Wear
You might not think about your coffee maker wearing out when you brew tea, but this can happen faster than you expect. Why does brewing tea in a coffee machine cause extra wear? The answer comes down to how tea leaves and herbal blends interact with the parts inside your machine.
Tea leaves and herbal teas often have small particles and natural oils. When you run these through your coffee maker, they can clog the filter basket and water lines. If you use loose leaf tea, you might notice tiny bits getting stuck in the mesh or paper filter. Over time, these particles build up and make your machine work harder. Your coffee maker needs to push water through these clogs, which can strain the pump and heating element.
You also need to think about mineral deposits. Tea, especially herbal blends, can leave behind minerals and sticky residue. If you brew tea often, you might see a film or scale inside the water reservoir or on the heating plate. This buildup can slow down your machine and make it less efficient. You might notice your coffee maker takes longer to brew or makes strange noises.
Why does this matter for you? If your machine wears out, you could face expensive repairs or need to buy a new coffee maker. You might also get poor-tasting tea or coffee. A clogged filter basket can cause leaks or overflow. A worn-out heating element might not get water hot enough for brewing. These problems can ruin your morning routine.
Here are some signs your coffee maker is wearing out from brewing tea:
The machine takes longer to brew.
You hear odd sounds during brewing.
Water leaks from the filter basket.
The tea or coffee tastes off or weak.
You see residue or scale inside the reservoir.
Tip: If you want to keep your coffee maker working well, clean it after every use. Remove tea leaves and rinse the filter basket. Run a cycle with just water to flush out particles. Descale your machine once a month to remove mineral buildup.
You can also use paper filters for loose leaf tea. These catch more particles and protect your machine. If you brew tea often, consider using a separate appliance for tea. This helps your coffee maker last longer and keeps flavors pure.
Why should you care about machine wear? A well-maintained coffee maker saves you money and gives you better drinks. You avoid breakdowns and keep your kitchen running smoothly. If you treat your machine with care, you get tasty tea and coffee every time. So, pay attention to cleaning and maintenance. Your coffee maker will thank you!
Tea in a Coffee Maker vs. Traditional Brewing
Taste and Quality
Why does tea in a coffee maker taste different from tea you brew the classic way? The answer comes down to how each method works. When you use a coffee maker, hot water moves quickly through the tea leaves or bags. This fast process pulls out a concentrated tea flavour, which can taste bold and strong. You might notice the tea feels thicker and has a unique kick.
Traditional tea brewing methods, like steeping, let the leaves soak in hot water for several minutes. This gentle process brings out a lighter, more delicate flavour. You get more of the full tea flavour, with subtle notes and a smoother finish. If you love tasting every layer in your cup, you might prefer this method.
Here’s a quick look at the main differences:
Traditional steeping gives you a lighter, more nuanced taste.
Tea in a coffee maker creates a robust, concentrated tea flavour.
The speed of brewing changes how much flavour ends up in your cup.
If you want a quick, bold cup, the coffee maker wins. If you want a gentle, complex taste, go with classic steeping.
Convenience
Why do so many people reach for the coffee maker when making tea? The answer is simple: convenience. You can brew several cups at once, and you do not need to watch the clock. Just add water and tea, press a button, and wait a minute or two. This method works well when you need tea fast or want to serve a group.
Traditional brewing takes more time and attention. You need to heat water to the right temperature, measure the tea, and wait for it to steep. This process can feel slow, especially if you are in a hurry. But it gives you more control over the final taste.
Here’s a table to help you compare:
Method | Speed | Effort Needed | Best For |
|---|---|---|---|
Coffee Maker | Very fast | Low | Busy mornings, groups |
Traditional Steeping | Slower | Medium | Relaxing, full flavour |
Want tea in a flash? The coffee maker saves you time. Want to enjoy the ritual? Try traditional brewing.
Best Uses
Why should you pick one method over the other? Each has its best moments. Tea in a coffee maker shines when you need a lot of tea quickly. It works well for black and herbal teas, which can handle the high heat and fast brewing. If you want a strong, concentrated tea flavour, this method delivers.
Traditional brewing fits when you want to relax and enjoy the process. It lets you taste every note in the tea. This method works best for green, white, or oolong teas that need gentle care. You get the full tea flavour and a smoother cup.
Use a coffee maker for speed and convenience.
Choose traditional brewing for taste and quality.
Pick the method that matches your mood and the type of tea you want.
No single way is best for everyone. Try both tea brewing methods and see which one fits your style.
Tips for Better Tea
Cleaning Routine
Why should you care about cleaning your coffee maker before and after brewing tea? A clean machine gives you better-tasting tea and keeps your drinks safe. Coffee makers can collect oils, old tea leaves, and even bacteria if you skip regular cleaning. You want your tea to taste fresh, not like last week’s coffee or something sour.
Here’s why a good cleaning routine matters:
You stop buildup that can change the taste of your tea.
You prevent mold and bacteria from growing inside the machine.
You help your coffee maker last longer and work better.
Try these steps for a cleaner machine:
Empty the carafe after every use so nothing sits and gets stale.
Wash the carafe and filter basket with dish soap daily.
Wipe down the outside and any parts that get splashed.
Once a month, run a mix of half vinegar and half water through the machine. This removes mineral deposits and disinfects everything.
Use the descaling cycle if your machine has one. This keeps water flowing well and stops limescale from building up.
Tip: Clean machines make both coffee and tea taste their best. You also avoid weird flavors from old tea leaves or coffee oils.
Adjusting Strength
Why does your tea sometimes taste too weak or too strong? The answer often comes down to how much tea you use and how long you let it brew. When you use a coffee maker, you can’t control steeping time as easily as with a teapot. But you can still adjust the strength of your tea.
Here’s how you can do it:
Add more tea bags or extra loose leaf tea to the filter basket if you want a stronger flavor.
Use fewer tea bags or less loose leaf tea for a lighter taste.
Don’t leave tea bags in the carafe after brewing. This can make your tea bitter.
If you want a deeper taste, run hot water through the tea leaves twice, but watch out for bitterness.
You get to decide how bold or gentle your tea tastes. Try different amounts until you find what you like best.
Experimenting with Teas
Why stick to just one kind of tea? Trying new teas can help you discover flavors you never knew you liked. Your coffee maker lets you brew many types, so you can experiment with black, green, herbal, or even blends.
Here’s why experimenting is fun and useful:
You learn which teas taste best in your machine.
You find out how different tea leaves react to hot water and brewing time.
You can mix loose leaf tea with other flavors for something unique.
Try brewing a small batch first. If you like the taste, make more next time. You might find that some teas, like black or herbal, work better in a coffee maker, while others, like delicate green teas, need gentler care.
Note: Keep track of what you try. Write down which teas and amounts give you the best results. This way, you can repeat your favorites and skip the ones you didn’t enjoy.
Should You Brew Tea This Way?
Pros
You might wonder why so many people use a coffee maker for tea. The answer often comes down to convenience and simplicity. If you want to make tea for a group, a coffee maker lets you brew several cups at once. You do not need to stand by the stove or measure water for each cup. You just add tea bags or loose leaves to the basket, pour in water, and press start.
Here are some reasons you might like this method:
You can brew a large batch of tea quickly. This helps when friends visit or your family wants tea at the same time.
The coffee maker keeps your tea warm after brewing. You do not need to rush to drink it before it cools.
The steps feel familiar. You use the same process as making coffee, so you do not need to learn anything new.
Measuring tea is easy. You can use the basket and filter for loose leaves or tea bags.
Letting the tea sit after brewing can make the flavor stronger.
Cleaning the machine well helps you avoid coffee taste in your tea.
If you want a simple way to make tea for many people, a coffee maker gives you speed and ease.
Cons
You might ask why some tea lovers avoid using a coffee maker. The main reason is flavor. Coffee makers do not let you control water temperature or steeping time for each type of tea. Delicate teas, like green or white, can taste bitter or lose their fresh notes. If you do not clean the machine well, old coffee oils can sneak into your tea and change the taste.
Here are some drawbacks to think about:
You lose some flavor details. The tea may taste strong but not as complex as when you brew it the classic way.
The machine can wear out faster. Tea leaves and herbal blends leave behind oils and particles that clog filters.
You need to clean the coffee maker every time. If you skip this step, your tea might taste like coffee.
You miss the ritual. Some people enjoy the slow, careful process of brewing tea by hand.
If you care about flavor and tradition, you might not enjoy tea from a coffee maker as much.
Who Should Try
You might wonder if this method fits your style. If you want tea fast and do not mind a bold taste, you will like using a coffee maker. This method works best for casual tea drinkers, busy families, or anyone who needs to serve a group. Modern tea fans who value convenience over tradition often choose this way.
Here are some people who benefit most:
You want to brew tea for a crowd, like at a party or family breakfast.
You do not own special tea tools and want something easy.
You like trying new ways to make tea and do not mind a different flavor.
You prefer quick cleanup and simple steps.
If you love simplicity, volume, and speed, brewing tea in a coffee maker could be your new favorite trick. If you want the full tea experience, you might stick with classic brewing.
You can make tea in a coffee maker, but results depend on your machine and tea choice. You get speed and convenience, but sometimes lose flavor. If you want better tea, experts suggest these tips:
Pick immersion-style coffee makers like a French press.
Use loose-leaf tea for richer taste.
Choose metal filters to keep more flavor.
If you feel curious, give it a try. Just remember to clean your machine well for the best cup!
FAQ
Why does tea taste different when you use a coffee maker?
You get a stronger, bolder flavor because hot water moves quickly through the tea. The machine can’t match the gentle steeping of classic brewing, so you lose some delicate notes.
Why should you clean your coffee maker before making tea?
Old coffee oils stick to the machine and mix with your tea. Cleaning stops unwanted flavors and keeps your tea tasting fresh every time.
Why do some teas work better in a coffee maker?
Black and herbal teas handle high heat and fast brewing. Delicate teas, like green or white, need lower temperatures. Coffee makers often get too hot for those.
Why does your tea sometimes taste weak from a coffee maker?
The water moves fast and doesn’t give tea leaves enough time to steep. You get less flavor and a lighter color. Try using more tea or running the cycle twice.
Why can brewing tea in a coffee maker wear out your machine?
Tea leaves and herbal blends leave behind tiny particles and oils. These can clog filters and water lines, making your machine work harder and wear out faster.
Why should you avoid leaving tea on the hot plate?
The hot plate keeps cooking your tea. This breaks down flavor and can make your tea taste bitter or flat. Pour your tea into another container after brewing.
Why do you need to use filtered water for tea?
Filtered water helps your tea taste clean and pure. Tap water can add odd flavors or leave mineral deposits in your machine.
Tip: If you want the best cup, always use fresh, filtered water and clean your machine before brewing!