Limescale is a hard, chalky deposit, consisting mainly of calcium carbonate (CaCO 3). It often builds up inside kettles, boilers, and pipework, especially those used for hot water.

May 27, 2025 · Limescale is a calcium carbonate deposit left when water evaporates from a surface. Over time, this mineral builds up, causing white crystals to form. Limescale often forms on household …

Apr 6, 2025 · Limescale is the chalky, white residue that appears when hard water evaporates and leaves minerals behind — mostly calcium and magnesium. These minerals don’t just disappear — …

Jul 5, 2024 · What is limescale and why is it bad for your home? In this guide, I'll share the common causes of limescale buildup and our top hacks to remove it!

Apr 16, 2025 · Read our expert cleaning tips for the best ways to remove limescale from your kitchen, bathroom, toilets, coffee machines and dishwashers

Nov 3, 2023 · Learn all about limescale — what causes it, how to remove it and, perhaps most importantly, how to get rid of it for good.

Mar 31, 2020 · What is limescale and how do you get rid of it? Learn everything you need to know here.

Aug 18, 2025 · As part of my limescale-busting mission, I've tried everything from vinegar to lemon juice to tackle the white stains that mark my shower screen.

Oct 8, 2025 · Limescale is a tough, chalky deposit mainly composed of calcium carbonate, and you’ll sometimes hear it called calcium buildup or calcium scale. Despite the name, limescale also …

This article explains what limescale is, what causes it to form, its potential effects on your health and household, and, most importantly, how to remove and prevent it in your home. What is Limescale, …