the micro dredge works great, just ran some material with -100/+120 gold in it, it captured all of the gold, did not find any gold in the tailings. this is the best mat i have bought from your business. i have been told that i over think things, it was too cold to run unit in the garage so i had to improvise to run this in my apartment. this is my recirculating system, i have a 150 mesh screen on the pipe coming out of the first bucket, this pretty much keeps all processed material from getting ...