Types of water

Types of water

The method of treatment depends on the type of water. We give an overview of the five most important sources of water. In European countries in our business we generally treat in the first place city water and in second place ground water, through private wells. There is tendency of treating more and more sea…

What is water hardness?

What is water hardness?

Water hardness or hardness in water is a measure of the amount of calcium and magnesium in the water. The more calcium and magnesium the water contains, the harder the water. Water hardness is usually expressed in milligrams per litre (mg/L) or in ppm (parts per million). But other units of measurement are very often…