I bought a new cz3d, and trying to learn the sounds. Gettin pretty good at knowing what's iron. I've only been digging when I get a good solid mid tone, and high tone in both directions. But man.. I'm amazed at how much iron/ trash is in the ground. I was using in 0 disc, but switched to 1 disc cause I got tired of listening to all the iron. I need to find some good places to go that's not so trashy. Is there anyone around the Tacoma wa area that would like to get together sometime?