: Teh water may have a high sulphursulphide content, and the process of heating it is creating the hydorgen sulphide. Or, if they have a softener, the water may be reacting with the magnesium which broke off the rod and is in the tank causing magnesium sulphide. If it is this, you may find small black specks after a sink full of water is allowed to drain slowly. These black specks will leave a trail if they are dragged across the sink.: : customer has a well system, Is experiencing a rotten egg odor in hot water system, anode rod has been replaced with stainless steel rod, problem still exists, what is the solution?
