What does postfilter mean in practice?
Mounted downstream of the main process, it corrects taste, odor or fine residues released during storage and flow.
When does it matter?
It can hide the symptoms of earlier wear, therefore the quality of the membrane is not assessed only on water after a mineral post-filter.
Which solutions are related to it?
Control samples are taken before and after the post-filter, and the element is replaced according to volume and time of use.