Why Coffee Machines Break Down (And How Filtration Technology Prevents It)

I used to think coffee machines just wore out over time. My first espresso machine started making weird noises, and eventually, the coffee tasted off. Then one morning, it just wouldn’t turn on. I assumed it was just old, but when I took a closer look, the real problem was obvious: scale buildup had clogged everything inside.

If you use unfiltered water, minerals like calcium and magnesium build up inside your coffee maker, forming scale deposits. This affects water flow, heating efficiency, and even the taste of your coffee. Over time, it forces the machine to work harder, eventually leading to clogs, poor performance, and breakdowns.

The worst part? Descaling doesn’t actually solve the root issue. It removes some buildup, but it’s temporary. The best way to protect your machine is preventing scale in the first place.

This is where filtration technology designed for coffee machines comes in. A good filtration system reduces scale-forming minerals while keeping enough of the good ones to enhance flavor. This means your machine stays clean, your coffee tastes better, and you don’t have to deal with constant maintenance.

Ever since I switched to using filtered water, my coffee machine has lasted years longer without issues. If you’ve never looked inside your water reservoir, do yourself a favor—check it. If you see white buildup, that’s scale. And if you’ve never thought about filtering your water before, now’s the time.

Protect your coffee machine and improve flavor with water designed for brewing. The Elessa Brew Water Filtration Pitcher reduces scale buildup and optimizes water for the perfect cup. Shop now.