The good news? Fighting scale doesn’t require industrial chemicals. The oldest trick in the book is white vinegar or citric acid, both of which dissolve the calcium carbonate without damaging your skin or the planet. For a kettle, a 50/50 mix of water and vinegar, boiled and left to sit for an hour, works like magic.
For showerheads, fill a plastic bag with vinegar, tie it around the head, and let it soak overnight. It’s like a spa treatment for your plumbing, and the results are usually a satisfying, gushy shower the next morning.
What Is Limescale? (And How to Get Rid of It at Home) | House Grail
Modern Weapons: The Water Softener
If you’re a homeowner with a serious scale problem, a water softener is your ultimate upgrade. It works by swapping the calcium and magnesium ions for sodium or potassium ions, essentially making your water “soft.” It’s an investment, but one that can extend the life of your appliances by years.
There are also magnetic and electronic descalers, which claim to alter the structure of the crystals so they don’t cling to surfaces. Results are debated, but many swear by them as a low-maintenance, chemical-free solution.