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[Chemical Knowledge]：What is the total hardness of water?

Read： 361 Time：18months ago Source：Transform the World with Simplicity

As an essential living resource for human beings, water is contacted and used every day. However, have you ever understood the total hardness of water? What effect does it have on our life?

The total hardness of water refers to the total amount of carbonate and hardness ions contained in the water. Hardness ions mainly include calcium, magnesium, iron, etc., which combine with carbonates in water to form the total hardness of water.

So, why pay attention to the total hardness of water?

First of all, understanding the total hardness of water can help people better understand the quality of water. Generally speaking, the higher the total hardness of water, the harder the water quality. Although hard water does not affect health, long-term use of hard water has adverse effects on skin and hair.

Secondly, the total hardness of water is also related to the applicability of water. For example, using hard water in a water heater can cause scale to accumulate, reduce the efficiency of the water heater, and even affect the life of the water heater. In agricultural production, too high total hardness will affect crop growth and even cause drought.

Therefore, the importance of understanding the total hardness of water is self-evident. So, how to test the total hardness of water?

In general, you can send water samples to professional institutions or buy their own professional testing equipment for testing. Test results are generally expressed in milligrams per liter (mg/L). In real life, the hardness of water quality can be judged by measuring the scale of the household and the cleanliness of the kettle.

In addition to testing the total hardness of water, we can also reduce the hardness of water in some ways. For example, the use of water softener, installation of water purifier. These measures can not only improve water quality, but also protect the normal use of household appliances and agricultural production.

In short, it is very important to know the total hardness of water. Only by understanding the total hardness of water can we better choose the right water source, choose the right water treatment method, improve the quality of water, and at the same time protect our daily life and health.

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