Large difference between TGM and FTGU opening ranges. Posted by homerjunior Posted by homerjunior posted in From The Ground Up Posted 4 months ago Large difference between TGM and FTGU opening ranges. Curious why the opening ranges from The Grinders Manual is so much tighter than From The Ground Up, FTGU ranges are almost as loose as the fish hunting ranges in TGM. Loading 1 Comments... Be the first to add a comment You must upgrade your account to leave a comment. This thread has been locked. No further comments can be added.