Why is it important to check your salt levels in your pool? Salt is required in pools that run a Salt Water Chlorinator. The salt in the water acts as a conductor to enables a process called electrolysis to take place and chlorine is produced.  Each hour your Salt Chlorinator runs it produces chlorine for you and not only does it allow for a well-balanced pool and healthy pool water, but it also allows chlorine to work at its fullest potential due to a smaller continued does, rather than larger random does as with manual dosing.