I’ve had several pieces (made of sterling silver or bronze) gold plated to a 50 millionth thickness at Red Sky. As soon as I handle them they start to get orangy. When I asked about it they said that that is from oil from my skin tarnishing the gold and comes off with soap and water. Which is true, if I wash them with dish soap and water the orange coloring mostly goes away, but then the second I touch them again they become orange again. Is this typical for gold plating? Does anyone have any suggestions to prevent this? Is there another plater that anyone would recommend?