Water hardness — interesting facts and figures

The third way to determine the degree of hardness of water is the chemical method. However, this is not suitable for domestic use because the method is very complex and a suitable titration device must be available.

Have the hardness of your water determined

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Hard water — effects and proposed solutions

Hard water by itself is not harmful to humans and does not mean that your water quality is poor. Magnesium and calcium are even important for the body. Even if you live in a region in Germany with very hard drinking or tap water, you can safely cook, clean or drink the water. However, hard water has an effect on household appliances, fittings and the drinking water installation are negative. These can calcify after a certain period of time, pipes can be blocked by deposits and, in the worst case, your electronic devices break prematurely due to calcium deposits. In addition, calcium deposits in the heating system or in the hot water system lead to an increase in energy consumption, as calcium deposits have an insulating effect. Lime is therefore also an environmental issue.

In some cases, hard water can also have an effect on the taste of tea and coffee and adversely affect it. However, you don't have to worry about your health.

What can you do with hard water?

Would you like to counteract hard water and are you looking for solutions? Before you use a lime protection system or softening system, there are other ways to treat the water.

• Water softening of electrical appliances: Electrical appliances such as dishwashers or washing machines usually have a built-in water softener. This works according to the ion exchange principle. Regular checks in the dishwasher are therefore important and should not be ignored. When it comes to washing machines, detergent or lime protection agent is the decisive factor that softens the water. That is why it is important to know the correct dosage. Basically, hard water requires more detergent than soft water. If a household appliance does not have an integrated water softener, household appliances must be descaled regularly. There are usually special means for this or you use household funds. A mixture of diluted vinegar essence or citric acid is often just as effective.
• Decalcification in the boiler: boiler must be descaled regularly, as they usually do not contain a built-in water softener. Here, too, there are special means for descaling, or you can hire a specialist company in the HVAC sector to have a boiler descaled
• Central water softening: At domestic water systems or drinking water installations, a central descaling system or water softening systems be connected. These soften the water through the so-called ion exchange. However, compared to home remedies, these plants can be very expensive and use a significant amount of water and sodium chloride. Here you can find an overview of Disadvantages of water softening systems.
• Central lime protection system: Become similar to a water softener Lime protection systems installed at the house water connection after the water meter. However, these systems are usually more environmentally friendly.
• Boil the water: If you taste any effects on the taste of tea or coffee, it may be helpful to boil the water before using it. When hard water is boiled, part of the carbonate hardness precipitates.

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The AQON PURE lime protection system as an alternative to water softening

In contrast to conventional descaling systems, AQON PURE not just an environmentally friendly alternative. It is installed in just a few simple steps and does not require any additional consumables such as granulate cartridges. With AQON PURE, you also save yourself regular maintenance compared to a water softening system.

Up and running: Get the offer in just 2 minutes - optional with installation at a fixed price.
In addition, our technical service experts are also available to you personally by phone or e-mail for non-binding advice. Not a call center. No need to wait endlessly in a queue.