The GPZ 7000 has an incredibly delicate discrimination operate which will help you to disregard trash products and concentrate on acquiring authentic treasures. Q: Wherever should I use my metal detector? It is best to use your metal detector for gold in which you Imagine gold is likely to be! https://latinverge.com/forums/topic/30513/how-to-spot-rare-metals-underground/view/post_id/216537