Definitions for "Salt bridge"
A tube containing a saturated solution of a salt, such as potassium chloride. Used to complete the electrical circuit in a voltaic cell.
Salt bridge is a permeable material soaked in a salt solution that allows ions to be transferred from one container to another. The salt solution remains unchanged during this transfer.
An ionic bond between charged groups that are part of larger covalent structures; salt bridges occur in many proteins.
Keywords:  softener, hollow, below, water, area
a hollow area below the salt in your water softener