NoPhos Foam (AFCO 5386) is a concentrated, moderate foaming inorganic acid cleaner designed for soak and manual cleaning of food processing equipment in dairies, cheese plants, breweries, and in meat and poultry processing plants. AFCO 5386 removes hardness scale, milkstone, beerstone, and many other type of mineral deposits. AFCO 5386 does not contain any phosphoric acid.