Hard Water Facts

How does water become hard?

This depends on the surrounding geology. Rainwater is naturally soft, it becomes hard by soaking through chalk and limestone and dissolving some of the minerals.

Here is a graph showing the official government figures on the percentage of fuel wasted with the build up of scale. Just 1.5mm of scale will reduce the efficiency of your boiler by almost 10%.

When hard water is heated, the carbonates precipitate out of solution, forming scale in pipes and kettles. In addition to narrowing and potentially clogging the pipes, scale prevents efficient heat transfer, so a water heater with scale will have to use a lot of energy to give you hot water. Soap is less effective in hard water because its reacts to form the calcium or magnesium salt of the organic acid of the soap. These salts are insoluble and form greyish soap scum, but no cleansing lather. Detergents, on the other hand, lather in both hard and soft water.

Hard water can be softened (have its minerals removed) by passing it over an ion exchange resin. The ion exchange resins are complex sodium salts. Water flows over the resin surface, dissolving the sodium. The calcium, magnesium, and other cations precipitate onto the resin surface.

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What is a water softener?

A water softener is a piece of equipment that removes the minerals found in water that cause it to be classified as hard. There are extensive reasons as to why a water softener is a worthwhile installation including improved boiler efficiency, and easier cleaning. There are various types of water softener so take the time to browse our range to find your ideal solution.

How do water softeners work?

There is no magic involved – unlike magnetic or electronic “gadgets”, genuine water softeners work on the principal of ion exchange and physically remove the calcium (limescale) from your water.

Facts about hard water

If you, like most of the population, live in a hard water area, there is no reason why you cannot enjoy the many benefits of softened water. Find out how our water becomes hard and the ramification to you and your family.

Hard Water Tap Condition

Old Tap

Soft Water Tap Condition


Hard Water Vs
Soft Water


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Top 3 Benefits of Softened Water

UK Water Services

Softer water equals softer skin. Less soap equals happier skin

Soap can form a lather more easily in softer water meaning that washing is a much simpler process and harsh soap residue is banished from your skin. When showering or bathing, you will find with soft water that less soap is required. Less soap = happier skin.

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Reduced appliance and plumbing repairs and replacements

Limescale is a huge pain that is guaranteed when hard water is used. Over time, with regular use, softer water removes limescale and therefore prevents replacements having to be bought and repairs having to be made as regularly.


A sparkling kitchen and a shiny bathroom

Although less cleaning products are needed with softer water, that doesn’t mean the cleanliness of your kitchen and bathroom will suffer. Quite the opposite – soft water prevents soap scum meaning less time will be spent scrubbing away at those inconvenient marks.

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