To clean well, dishwashers need very soft water. This is where dishwasher salt comes in. When it comes to ensuring your plates, cutlery and plastic containers come out bone dry, rinse aid is the key.

Commenters on the post were quick to tell him what the issue really was - the level of salt in his dishwasher. Many dishwashers have designated salt compartments that are used to soften water and ...

Dishwasher salt and Rinse Aid combat against limescale As mentioned before, part of what makes glasses lose their lustre is minerals like calcium and magnesium that come with hard water.