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Robi, het water van de knop logo

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Questions you have about your water quality and other interesting facts about water

What is the hardness of my tap water?

Water hardness is a measure of the amount of minerals, mainly calcium and magnesium, present in water. These minerals occur naturally in water as it flows through soil and rocks. Hard water contains more of these minerals, while soft water contains l

Is Robi Water suitable for baby food?

The extent to which drinking water is suitable for babies depends on its nitrate and sodium content. This should be as low as possible. This applies to both bottled and tap water. The presence of nitrates and sodium in tap water varies depending on t

Does Robi make undrinkable water safe and drinkable?

Robi should always be connected to a pipe with water that meets all legal requirements for drinking water. The Robi Capsule removes undesirable odours and tastes, and reduces the chlorine content of water, but is in no way intended to make undrinkabl

I'm not sure about my tap water?

The composition of tap water depends on its origin. For example, tap water extracted from groundwater has a different composition than tap water prepared from surface water. Sometimes the water is mixed from different sources, so the composition may