Blow down domestic or commercial hot water heater tank periodically. Water will usually clear quickly upon standing. Reduce coagulant quantity being fed, service filters properly. Very high chloride content in water Blackening and pitting of stainless steel sinks and stainless ware in commercial dishwashers 1. Excessive salt content.
High temperature drying creates chloride concentration accelerating corrosion.
Various effects 1. Use other chloride resistant metals. Reduce total dissolved solids by reverse osmosis.