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What Is Hard Water?

by Dr. Jonathan Doyle - Updated December 24, 2024
If you live in the UK, chances are you’ve heard about hard water. Many households deal with its effects daily, from limescale buildup to dry skin. But what exactly is hard water, and how does it impact your home and health? This blog will dive into what hard water is, how to identify it, and why water filtration is essential for tackling the challenges it brings.

What Is Hard Water?

Hard water refers to water that contains high levels of dissolved minerals, primarily calcium and magnesium. These minerals are naturally picked up as water flows through rocks, soil, and underground deposits, which is why the hardness of water varies depending on your location.

Hard Water in the UK

The UK is known for having hard water, especially in regions like London, the South East, and East Anglia. In fact, around 60% of UK households have hard water, making it a common concern for many residents.
a thick layer of limescale at the bottom of the kettle

How Is Water Hardness Measured?

Water hardness is typically measured in parts per million (ppm) or grains per gallon (gpg). The classification is as follows:
  • Soft water: ppm
  • Moderately hard water: ppm
  • Hard water: ppm
  • Very hard water: Over ppm

Signs You Have Hard Water

Hard water isn’t always easy to spot, but it often leaves a trail of clues around your home.

Limescale Buildup

One of the most obvious signs of hard water is limescale. This white, chalky residue forms on taps, showerheads, kettles, and other appliances that come into contact with water.
  • Kettles: Notice a white crust inside your kettle? Thats limescale.
  • Bathroom Fixtures: Taps and showerheads may become clogged or lose their shine.
soap bubbles

Soap Scum and Reduced Lather

Hard water makes it difficult for soap and shampoo to lather properly, leaving behind soap scum on your skin, hair, and bathroom surfaces.
  • Skin Feel: Your skin might feel dry or irritated after washing.
  • Hair Quality: Hair can appear dull, lifeless, or harder to manage.

Higher Energy Bills

Hard water can lead to a buildup of limescale in your heating systems and pipes, reducing efficiency and increasing energy consumption.
  • Clogged Pipes: Over time, limescale restricts water flow.
  • Appliance Wear: Washing machines and dishwashers may break down faster.

How Does Hard Water Affect Your Health?

Hard water isn’t harmful to drink and can even contribute to your daily intake of minerals like calcium and magnesium. However, it may have some unwanted effects on your skin and hair.

Skin Irritation

For people with sensitive skin, hard water can aggravate conditions like eczema or cause dryness. The minerals in hard water interfere with the skin’s natural barrier, making it harder to retain moisture.
dry skin

Hair Problems

Hard water can leave a residue on your hair, making it feel heavy and difficult to style. It may also contribute to scalp irritation in some individuals.

The Impact of Hard Water on Your Home

Not only can hard water cause some degree of health problems, but it can also wreak havoc on household appliances and fixtures.

Limescale in Appliances

Appliances like washing machines, dishwashers, and kettles often suffer from limescale buildup, which reduces their efficiency and lifespan.
  • Kettle: A crusty layer inside can take longer to heat water.
  • Washing Machine: Hard water causes soap buildup, leading to dull laundry.fer from limescale buildup, which reduces their efficiency and lifespan.

Plumbing Issues

Over time, limescale can build up inside pipes, restricting water flow and increasing the risk of blockages. This can also drive up your water heating costs.
lots of limescale near the faucet

Cleaning Challenges

Hard water makes cleaning more time-consuming. Soap scum and limescale require extra effort to remove from surfaces, taps, and tiles.

How to Deal with Hard Water in Your Home?

If you’re tired of the effects of hard water, there are several ways to address it.

Install a Water Softener

A water softener removes minerals like calcium and magnesium, turning hard water into soft water. This is the most effective solution for households dealing with hard water.
  • Benefits: Prevents limescale, improves cleaning, and protects appliances.
  • Installation: Typically added to your homes water supply system.
x8 installation saves space

Use Water Filtration Systems

A high-quality water filtration system not only softens water but also removes impurities, enhancing the taste and quality of your drinking water to ensure it’s safe and clean. Such filters effectively reduce contaminants like chlorine, heavy metals, and other harmful substances.
The Waterdrop X8 Reverse Osmosis System exemplifies these benefits. This advanced system utilizes a multi-stage filtration process to significantly reduce impurities, providing you with pure and great-tasting water. Its tankless design saves space under your sink and minimizes the risk of secondary contamination. Additionally, the X8 boasts an efficient 2:1 pure-to-waste water ratio, maximizing savings and reducing environmental strain by decreasing plastic bottle use—all while ensuring a continuous supply of clean and fresh water
Investing in a system like the Waterdrop X8 not only improves your water’s taste and safety but also contributes to a more sustainable lifestyle by reducing reliance on bottled water.

Regular Cleaning and Maintenance

Stay on top of limescale buildup by regularly cleaning appliances and fixtures with vinegar or a limescale remover.
  • Descaling Products: Use these on kettles, taps, and showerheads.
  • Preventive Measures: Wipe down wet surfaces to prevent limescale from forming.

Why Choose Filtered Water?

Even if you’re not ready to invest in a water softener, filtered water can be a game-changer for your household. It removes impurities while preserving essential minerals, making it ideal for drinking and cooking.
a woman is drinking water

Benefits of Filtered Water

  • Improves the taste of water.
  • Removes harmful contaminants like lead and chlorine.
  • Protects your health by ensuring cleaner water.
For UK households, where hard water is common, combining filtration with regular descaling practices can make a big difference.

Final Thoughts

Hard water is a reality for many UK households, but understanding its effects and taking proactive measures can help you manage it effectively. Whether it’s installing a water softener, using filtered water, or staying on top of cleaning, there are plenty of solutions to reduce the impact of hard water on your home and health.
If you’re struggling with limescale or dry skin, it may be time to consider a Waterdrop Water Filtration System . Not only will it improve the quality of your water, but it will also save you time and money in the long run.

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