Bilt Hamber Deox-C is a crystalline, 100% active corrosion removal product formulated for the removal of corrosion products from steel, stainless steel and most ferrous materials. This product when dissolved in tap water, produces a bath of powerful rust removing liquid. Deox-C is extremely economical, for example, just one kilogram of Deox-C makes up to 20 litres of powerful rust removing bath. It will remove very heavy corrosion, but is safe to use on even the most delicate items. It.