When using the ground probe a 93 doesn't mean your ground is BAD. It simply means your ground is ferrous in content as apposed to alkaline..
[attachment 311068 ScreenHunter_106Apr.1111.45.jpg]
The strength reading will tell you how mineralized your soil is. In this case the soil strength is pretty low with the 22.5 the least affected. If the RX6 is increased the ground strength will probably also increase.
[attachment 311068 ScreenHunter_106Apr.1111.45.jpg]
The strength reading will tell you how mineralized your soil is. In this case the soil strength is pretty low with the 22.5 the least affected. If the RX6 is increased the ground strength will probably also increase.