Fully automatic ground balance and "turn-on-and-go" simplicity. Minelab GPZ 7000
Best for extreme mineralization and maximum depth. PI machines ignore most ground noise but have limited ability to discriminate between gold and iron trash. buy gold detector
Look for Automatic Ground Tracking if you are a beginner, or Manual Ground Balance if you want full control in changing soil conditions. buy gold detector
Small coils (6–8") are better for sensitivity and navigating rocky areas, while large coils (11" +) provide more depth and ground coverage. buy gold detector