You are probably know our OxiProtect JE790 tarnish protection, which protect your silver jewelry and silver-plated goods from tarnishing. But what can you make if it is already too late for tarnish protection and your goods have already oxidated? Then remove this annoying oxide layer with our OxiEx JE709! The water-based deoxidizer. Easily removes oxide and sulfide layers by dipping your parts in just a few minutes.