How to Tell If Your Water Is Hard

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Look at your glasses after a wash cycle. If they’re covered in white spots that look like a polka-dot disease, that’s hard water graffiti. Those spots are calcium deposits—the mineral equivalent of a stubborn houseguest who leaves crusty fingerprints everywhere.

Even your dishwasher might start throwing a tantrum. If you notice a white, gritty film on your silverware that feels like sandpaper, you’ve got a mineral mosh pit in your machine. Pro tip: try a rinse aid—it’s like therapy for your silverware, but cheaper.

The Shower Head Horrors

Take a look at your shower head. If its little nozzles are clogged with white, rock-like nubs, you’re not imagining things—that’s mineral buildup trying to stage a coup. It’s like your shower head is growing its own fossil collection, and it’s not even doing it for fun.

This buildup can reduce your water pressure to a pathetic dribble, making you feel like you’re showering under a melting icicle. Surprising fact: a single shower head can accumulate up to a pound of mineral scale per year. That’s the weight of a small bag of potatoes, just chilling in your bathroom.

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