Fill the water reservoir and insert a K-Cup pod
A Keurig brews one cup at a time by forcing hot water through a pre-filled pod of ground coffee. Start by lifting the handle on top of the machine—this opens the pod holder. Take a K-Cup pod (the small plastic cup filled with coffee grounds), place it into the holder with the foil side facing down, and close the handle firmly until you hear it click. The machine punctures the pod automatically when you brew.
Next, fill the water reservoir on the back or side of the machine with fresh, cold water. Most Keurigs hold enough water for multiple cups before you need to refill. You can use filtered water or tap water, depending on your preference and local water quality. The water level indicator on the side of the reservoir shows you how much water is inside.
Key Takeaways
- Insert a K-Cup pod into the holder at the top, close the handle, and the machine will puncture it automatically when you brew.
- Fill the water reservoir with cold water before brewing, and the machine heats it to the correct temperature on its own.
- Select your cup size using the buttons on the front—most Keurigs offer 6, 8, 10, or 12 ounce options.
- The first brew from a new machine or after sitting unused should be run without a pod to flush the system and remove any manufacturing residue.
- Empty the used pod holder after each brew to prevent grounds from building up and clogging the machine.
Choose your cup size and start brewing
On the front of the machine, you will see buttons labeled with cup sizes—typically 6 oz, 8 oz, 10 oz, and 12 oz. Press the size you want. The machine will heat the water to about 192°F (89°C) and force it through the pod. Brewing usually takes 60 to 90 seconds depending on the size you selected.
Place your mug directly under the brew spout before you press the size button. The hot water will flow into your cup automatically. Do not move the mug or machine while brewing is happening, as this can interrupt the flow or cause splashing. Once the brewing stops and no more water is flowing, your coffee is ready to drink.
Run a cleaning brew on your first use
When you unbox a new Keurig or use one that has been sitting unused for a while, run one full brew cycle without a pod inside. This flushes out any dust, oils, or manufacturing residue left in the machine during production. Fill the reservoir with fresh water, place an empty mug under the spout, select a cup size, and press brew. Discard the water that comes out.
After the first flush, you can brew normally with a K-Cup pod. Some machines have a "Brew" button you press after selecting size; others start automatically when you close the pod holder. Check your machine's manual if you are unsure which model you have, as button placement varies slightly between Keurig models.
Remove and discard the used pod after each brew
Once your coffee finishes brewing, lift the handle at the top of the machine to open the pod holder. The used K-Cup pod will either fall out on its own or you may need to push it out gently with your finger. Do not leave the pod sitting in the holder, as wet grounds can begin to mold or create odors inside the machine.
Throw the used pod in the trash or compost bin—most K-Cups are not recyclable because they contain a mix of plastic, aluminum, and coffee grounds. Some brands now make compostable pods, which you can check for on the package. Leaving the handle open for a few seconds after removing the pod allows air to circulate and helps keep the machine fresh between brews.
Refill the water reservoir when it runs low
The water reservoir sits on the back or side of your Keurig and has a fill line marked on the outside. When the water level drops below the line, remove the reservoir by pulling it straight out. Rinse it under tap water if you want to, then fill it with fresh cold water up to the fill line. Slide the reservoir back into place until it clicks or seats firmly.
If you brew several cups in a row, you may need to refill the reservoir between brews. The machine will not brew if the reservoir is empty—you will see a warning light or the brew button will not respond. Always use cold water, not hot water from the tap, because hot water can damage the heating element inside the machine.
Descale your Keurig every three to six months
Over time, mineral deposits from tap water build up inside the machine and slow down brewing or make the water taste off. Descaling removes these deposits using a special solution. Most Keurig machines have a descale mode—check your manual for the exact steps, as they vary by model. Generally, you fill the reservoir with a descaling solution (sold at grocery stores or online), run the brew cycle without a pod several times, then run fresh water through the machine to rinse.
If your machine brews slowly, the water comes out in spurts, or the coffee tastes bitter or weak, descaling usually fixes the problem. You do not need to descale if you use filtered water or a water pitcher with a built-in filter, since filtered water has fewer minerals. Keep the outside of the machine clean by wiping it with a damp cloth—do not pour water over the top or submerge any part of it.
Troubleshoot common problems
The machine will not brew: Check that the water reservoir is full and seated properly. Make sure a K-Cup pod is inserted correctly with the foil side down. If the handle does not close all the way, the pod holder may be jammed—open it and remove any broken pod pieces or debris.
Coffee tastes weak or watery: This usually means the pod is old or the machine needs descaling. Try a fresh K-Cup pod first. If the problem continues, descale the machine following the steps above. You can also try selecting a smaller cup size, which uses less water and makes stronger coffee.
Water leaks from the bottom: The pod holder or the seal around it may be cracked. Check inside the holder for cracks or debris blocking the seal. If you see damage, the pod holder may need to be replaced—contact Keurig customer service for a replacement part. In the meantime, place a towel under the machine to catch drips.
The machine is slow to heat up: Keurigs take 30 to 60 seconds to heat water before the first brew of the day. If it takes much longer, the heating element may be clogged with mineral deposits. Descale the machine and try again. If heating is still slow after descaling, the heating element may be failing and the machine may need service.
Frequently Asked Questions
Can I use regular ground coffee instead of K-Cups?
No, Keurigs are designed only for K-Cup pods. However, you can buy a reusable K-Cup filter basket, fill it with your own ground coffee, and use it like a regular pod. This costs less than buying pre-filled pods and lets you choose your own coffee brand. Rinse the reusable basket after each use and let it dry completely before the next brew.
How long does a K-Cup pod stay fresh?
K-Cup pods stay fresh for about 8 to 12 months from the date printed on the box, though coffee quality may decline after 6 months. Store pods in a cool, dry place away from direct sunlight. Once you open a box, use the pods within a few weeks for the best taste. Old pods will still brew, but the coffee may taste weak or stale.
Do I need to clean the inside of my Keurig?
You do not need to take the machine apart, but descaling every three to six months keeps it working well. If you notice mold or slime inside the water reservoir, empty it, scrub it with a brush and vinegar, rinse thoroughly, and refill with fresh water. Run a brew cycle without a pod to flush the system before using it again.
What is the best water temperature for Keurig coffee?
Keurigs brew at about 192°F (89°C), which is the ideal temperature for extracting flavor from ground coffee without scorching it. You do not need to adjust the temperature—the machine handles this automatically. If your coffee tastes too hot to drink right away, let it cool for a minute or add a splash of cold milk.
Can I brew into a travel mug or tall cup?
Yes, but check the height of your mug first. Most Keurigs have a removable drip tray that you can take out to make room for taller cups. Lift or slide the drip tray out from under the brew spout, then place your travel mug underneath. Make sure the mug is stable and will not tip over before you start brewing.