(4) 1 gallon containers. This concentrated delimer is a select blend of organic and inorganic acids combined with controlled foam surfactants and penetrants for superior performance. Low odored and non-fuming, it prevents corrosion while dissolving lime deposits, scale, milkstone, films and light rust from stainless steel, aluminum, tile, porcelain and other surfaces. Can be diluted for manual cleaning or up to full strength for fast deliming of automatic dishmachines and C.I.P. equipment.