The GPZ 7000 has an very delicate discrimination functionality which will help you to disregard trash objects and deal with finding real treasures. You will discover even guidelines for receiving round the troubles of beach mineralization, nevertheless a far more Innovative (and considerably dearer) gold prospector tier PI metal detector https://www.tapatalk.com/groups/lovinworld/viewtopic.php?f=66&t=14241&from_new_topic=1