GOLD REFINING FORUM GOLD REFINERS
The Largest Gold Refining Forum in the World. The GRF combines many hundreds of years of experience in the precious metals industry. We cover large fields including: karat/scrap gold refining, chemicals safety, electronic scrap refining, chemical and physical recovery methods, mining and metal detecting, bulding your own equipment, etc. The forum has over 36 000 members and 250 000 posts