Has to be a U-trough unload to provide enough room but we took 1 1/4" conduit and welded it together. Had the end of it mandrel bent and put a roto-rooter through it. Slid it in the trough along with grain vac hose and were able to clear a plug that way. We rented the roto-rooter for like $33 and the conduit was cheap. Worked good.