the brown blocks r good, but if u want to see a hole 2ft or more deep,,,get the whitetail institutes mineral...30/06 plus protein..they tear it upppppp...son,(roland martin) u will b amazed. i have used it..instant action...find a trail...dig up the earth,,pour and mix it in...smooth it over and leave..come back n 2 weeks...i put it down one year and waited 2 days...roots were showing...they were in it...the protein will help with antler growth...let me know when u do [email protected]