Ecolab Concentrated Laundry Sour and iron controlling agent formulated to work effectively in a wide range of washroom conditions. Adjusts the pH of the linens to minimize the potential for skin irritation by dissolving residual water hardness. Helps to prevent staining and graying.Ecolab Liquid Laundry Sour with Iron Control agent for controlling high iron and hard water conditions. The product adjusts linen pH to minimize risks of skin irritation. It prevents greying by dissolving residual minerals and prevents yellowing by managing high iron. Liquid Laundry Sour with Iron Control includes an anti-chlor to neutralize residual chlorine and reduce linen damage in the dryer