- One of the biggest reasons bathroom tap water can differ from kitchen water is the plumbing system.
In certain older homes, particularly properties built before modern plumbing practices became common, water may be stored in a cold-water tank in the attic or another part of the building.
The kitchen tap may receive water directly from the mains supply, while bathroom taps may be connected to the storage tank.
This arrangement can create several potential problems.
Water may remain stored for longer periods. If the tank is not used frequently, the
