I went today to one of my favourite testing areas , a very old site in a forest , low mineralized soil but infested with thousands of nails. It is my first outing there with the Apex . I decided to use the Ripper (5X8)coil instead of the Viper ( 6X11 ) because of its smaller size which means better separation , and also because it is lighter than the Viper ( 330g instead of 400g ). Up to now I had only done a few short outings with the Apex in less difficult areas , so I have some experie