As an advance on future regulations, (first step of treating raw water). Initially devised to make harder water suitable for process, it soon became clear that this step is also a strong improvement content with "easy water".

The water treated in this installation is characterized, in general, as a lot cleaner. This means that a large part of the contamination present in the water, will be removed before iron removal from the process, which then will be more efficient functioning. Furthermore, the underlying processes behind, (drip irrigation) etc., remain much cleaner and therefore and more homogeneous in release.