48 total settings

Zeroes out soil minerals so you hear targets in trashy freshwater swim areas and old beach fills

helping preserve surface detail and original patina whenever possible

this pick can handle large holes with ease

Minelab Ferrite Ground Balance Accessory (GPZ 7000) laser-cut-hexagon 48 total settingsMinelab Ferrite GPZ 7000 Metal Detector Ground Balance Accessory Minelab Ferrite GPZ 7000 Metal Detector Ground Balance Accessory To achieve optimum ground balance, the GPZ 7000 requires as much different data about the ground as possible, especially variations in soil mineralization. Ground balancing using a ferrite means that less soil needs to be covered during the initial ground balance period because the ferrite artificially adds very useful data