A mild sour that is very aromatic and phosphate free. Adjusts the pH of garments to that of skin, helping to minimize potential skin irritation. Use with low alkaline detergents/water. Featuring the unique Select-1 probe, Sour HC has very forgiving use characteristics. Works well with the low alkaline, enzyme detergents commonly used in healthcare operations. A compatible, gentle sour for laundry equipment - especially tunnel washers.