Hi, Thanks so much for your reply . The jar I am using is the 8oz ball quilted jelly jar , I think it is roughly 2 inches wide ? I have been going with the c3 on and off for about a year now and no matter what I do I just can't get them to burn nice , scent throw is good but the burn doesn't look good . I burn from anything from 3 hours or a longer power burn , the burns start off good but the problems start at halfway point when I start getting a full melt pool , it seems that once I get a full melt pool that's when the mushrooming or these tiny little glowing balls appear all over the wick. I do use 6% of less with some oils . Thank you