Ok I havnet been on in a while due to school, but am back. Anyone been taking their gold bug any modle for nuggets latley? Im amazed by mine I found some small old boot tacks bout 5 inches or so and this thing is real fun to use. I was just wanting some insights on settings or dealig with hot rocks, or numbers to read when along rivers for gold. I mean is Discrimination anygood? I got a .4 gram nugget i take with me and it gets a good single bout 4 inches or so with a nice single. Any info would be great. Im only a 2nd year hobbiests, and am getting better. Thanks Jess