Quiltam

Hi everyone! I have a 'burning' question that just can't wait! I have been burning my apothecary jars and everything was going along great until I hit the 40 hr. mark! Now both the 10 oz and the 16oz jars are doing the exact same thing at the same time! The flame is dying, like it is drowning. I discovered while I was poking around that the wicks seem to be falling over. I use IGI4786, 36-24-24Z wicks (2 wicks per jar). I have not had any problems up until the half way mark! Any suggestions? Thanks! Tammy