4 oz gel - 24k brush gold plating solution - the fastest, most durable, best value, most consistent gold solution from the most trusted name in the industry instant results (4 oz gel) gold plating services demand the best! years of research and meticulous analysis have produced gold plating solutions of exceptional quality and value. predictable, reliable, and consistent results make our solutions perfect for the hobbyist and research scientist alike. our batch tested solutions are formulated for their intended use making high quality plating both accessible and efficient. rest assured, the cost of the solution is based strictly on the amount of gold contained, not the volume of the solution. our 24k brush gold plating solution is a cobalt hardened, acid gold electroplating solution. this proprietary formula is very efficient and produces a consistent, brilliant 24k gold plate onto properly prepared conductive surfaces. does not contain free cyanide. *compared to some other similarly priced solutions