The mineral calculator

A crystal in a water splash, surrounded by the chemical symbols of Calcium, Magnesium and Bicarbonate

Discover the mineral content of your mineral water

No two mineral waters are the same: the layers of bedrock that the water has flowed through in its source region determine the amount and composition of natural ingredients in the mineral water. The level and type of mineralization in each water in turn determines the taste of that mineral water.

You can discover and compare the mineralization of Gerolsteiner with nearly 500 other internationally available waters using our Mineral Calculator.

Waters are compared in the Mineral Waters app on an iPhone

Mineral Waters - your mobile Mineral Calculator

Whether at home, in the supermarket or on the move – with the mineral calculator app Mineral Waters, you can always quickly and easily compare nearly 500 international mineral water brands. You can also learn more about the individual ingredients (for example, calcium, magnesium and bicarbonate) of each mineral water, and how they contribute to your recommended daily requirement.

Water Knowledge

What you always wanted to know about mineral water

Despite the fact that water is necessary for all life, we typically take it for granted. What differentiates the various types of water available? What does the comparison of mineral water and tap water show? How is mineral water made? What is special about Gerolsteiner? How is Gerolsteiner bottled? What are Gerolsteiner’s quality assurance protocols? Scroll down to get the answers to these questions and more.

How calcium, magnesium, etc. work

Why minerals are important for your body and which minerals Gerolsteiner mineral water provides.

Mineralienstein mit Calcium, Magnesium und Hydrogencarbonat

Water Knowledge // Water lexicon

The A to Z of waters

What is bicarbonate? When is a mineral water deemed low in sodium? And where does carbonic acid come from? Learn the terminology of mineral water and our mineral water-based beverages.