Calcium build-up is just minerals from hard water. They throw a party on your surfaces when water dries. Think of it as nature's graffiti—except it ruins your coffee pot’s vibe.
It’s most common in areas with hard water. That’s water that’s basically a rock smoothie. The harder your water, the faster the crust appears.
Does it hurt you? Nope. But it clogs showerheads, dulls glass, and makes your kettle sound like it’s screaming. Time to evict it.
