Limescale in our water

HOW DOES THE LIMESCALE GET INTO THE WATER?

When it rains, the raindrops take carbon dioxide from the air. This enriched rainwater seeps into the ground and when flowing through the layers of the earth, combines with minerals, including calcium and magnesium ions, the components of limescale.

The amount of limescale that the water can accumulate in the natural environment depends on the lime-carbonic acid balance. In housing technology, this balance determines how much limescale can build up in your water installation.

WHY DOES LIMESCALE GET DEPOSITED IN PIPES AND HEAT EXCHANGERS?

  • High temperatures
  • Low water flow rates (in pipes that are too large)
  • Rough pipe and equipment surfaces
  • Flow rates that are too high lead to swirling and pressure fluctuations at angled and T-pieces of piping. As a result, carbon dioxide comes out and lime deposits are reinforced

How does chalk get in our water?

WATER HARDNESS IN GENERAL AND HARD WATER IN PARTICULAR

The term water hardness describes the content of calcium and magnesium compounds in water and thus the degree of hardness. The higher the calcium content, the harder the water.

In Spain, more than 80 % of all households have hard or calcareous tap water. This is why usual household washing detergents already contain a softening agent.

WHY DO WE NEED TO DESCALE KETTLES AND COFFEE MACHINES?

The majority of the population limit the limescale problem to the everyday topics of cleaning, washing, coffee machines or kettles. Calcified heating elements, ugly limescale spots on the bathroom fittings and tiles upset many consumers. The well-known advertising with the limescaled washing machines fuels this fear. The cause is quite clearly hard water.

You descale your kettle more or less regularly because limescale is unpleasant. Such deposits also take place in the pipes of your plumbing. However, no home remedies such as lemons or vinegar can combat them. The cleaning of calcified pipes is very time-consuming and can only be carried out by specialist firms. You should therefore prevent limescale build-up in your plumbing by using certified limescale protection devices.

Water hardness levels in Spain