Laundering Problems & Solutions | The American Cleaning ...
Increased fabric wear and abrasion : In hard water, some powder detergents can combine with water hardness minerals to form a residue. Add 1 cup (240 ml) of white vinegar to 1 gallon (3.8 L) of warm water. Use a plastic container. Soak item and rinse. Use a liquid laundry detergent or use a nonprecipitating water softener with a powder detergent.