What does brine tank mean in practice?
In the tank, the salt dissolves in the measured water, creating a solution that is drawn in as the resin regenerates.
When does it matter?
A salt bridge, sediment or clogged brine valve may leave the salt visible but prevent the correct dose from being prepared.
Which solutions are related to it?
Salt and water levels are checked, lumps are broken, the bottom is cleaned and suction and refilling are checked.