RE: Do I have to wrong mix nozzle?
Looks like the wrong one to me. In a pinch if you need to use the glue. just squirt some on a mixing board with your gun and mix it up just as you would regular epoxy. I do that all the time if I don't need the nozzle to reach some inaccessable spot in the aircraft. Saves wasting glue and cleaning the nozzle, too.