
Hard water
What is hard water? Hard water is described as ‘hard’ not because there’s any difference in rigidity, but because of its mineral content. During the
Use our water hardness checker tool to find out what the water in your area is really like
Hard water is found when it comes into contact with the ground. As it passes through, it picks up minerals like calcium and magnesium, and turns from soft to hard. However, if the water falls on non-porous rocks like granite, the water remains soft.
While some areas of the UK are fortunate enough to have low mineral, soft water, around 60% of the UK is classed as having hard or very hard water – mainly throughout central, eastern and southern England.
Would you like to know how hard the water in your area is? Simply enter your postcode into the water hardness checker tool below and we’ll tell you.
Hard water contains dissolved hardness minerals, such as calcium and magnesium, above 100 parts per million (PPM). With it being a rather broad spectrum, we can abide by the following metrics…
Soft to moderately soft
Slightly to moderately hard
Hard to very hard
Aggressively hard
Limescale is the main problem caused by hard water. Limescale is a deposit that builds up on the insides of your pipes and appliances and can cause many problems.
Deposits left behind by hard water causes problems for skin and hair. This is especially so for sufferers of dry skin conditions such as eczema.
EcoWater Systems is the world’s largest manufacturer of domestic water softening technology, and with good reason. Our products are built to last and help you live a life of luxury.
Our local experts are on hand to help install your EcoWater system and ensure you are provided with long-lasting soft water. We give these local experts everything they need to look after you for the whole lifetime of your unit.

What is hard water? Hard water is described as ‘hard’ not because there’s any difference in rigidity, but because of its mineral content. During the
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We had EcoWater recommended as a replacement for our block salt softener and I cannot believe how little we use now. Highly recommended for a family.
- Lisa Fairclough