I have seen some blogs and reviews where people claim you can't light an alcohol stove with a piezo igniter reliably. I have no trouble lighting my homemade alcohol stove with my MSR piezo igniter. I thought I would share my tip. Dip the tip of the igniter in alcohol before trying to light the stove. The small amount that clings to the igniter is more than enough to provide a flame for the stove. Perhaps everyone already knew this. Maybe some did not.