How to Clean Your Electric Kettle

Kettles are easy to forget about in a cleaning routine because the inside looks fine. Scale builds up anyway, and once it does, it affects both the kettle's efficiency and what ends up in your cup.

If you brew pour over or any manual method, your kettle is in contact with every cup you make. It's worth keeping clean.

Why Scale Matters

Scale is the white or grayish mineral buildup that forms when hard water is repeatedly heated. It coats the heating element over time, making the kettle work harder and reducing its lifespan. In areas with particularly hard water, you can see visible buildup in just a few weeks. Soft water areas are less affected, but scale still accumulates — it just takes longer.

How to Descale

The simplest method is white vinegar diluted with water, equal parts of each. Fill the kettle halfway with the mixture, bring it to a boil, then let it sit for 20 to 30 minutes. Pour it out, rinse well, and boil a full kettle of fresh water to flush any remaining vinegar taste before you use it again. For heavy buildup, a second soak usually takes care of what the first pass missed.

If you'd rather not use vinegar, a citric acid solution works just as well and tends to rinse out with less fuss. One tablespoon per liter of water, same process. Urnex Dezcal is another good option and is specifically formulated for coffee equipment, so it's a natural choice if you're already descaling an espresso machine and want to do both at the same time.

Cleaning the Spout and Exterior

A damp cloth handles the exterior well. A little dish soap on stainless steel is fine as long as you rinse it off thoroughly. The spout is worth paying attention to separately — scale builds up inside narrow spouts and doesn't always clear during a standard descaling soak. A small bottle brush or pipe cleaner run through it periodically keeps it clear. If your kettle has a removable mesh filter at the spout outlet, take it off and rinse it weekly.

Gooseneck Kettles

Precision gooseneck kettles see heavy use for pour over and manual brewing, where water quality directly affects the cup. The narrow neck and spout mean that any scale particles that break loose are more likely to end up in your brew. Keep the spout clear and stay on top of descaling. If your kettle has a built-in temperature probe, clean carefully around the base of the probe where scale tends to collect first. Browse our full range of gooseneck and electric kettles if you're looking to upgrade.

How Often

Hard water areas: monthly. Soft water areas: every two to three months. If you use filtered water, you can stretch it further since mineral content is lower to begin with. A practical approach is to descale your kettle at the same time you descale your espresso machine — align the schedules so neither one gets forgotten.