With GW 464, a 16 oz apothecary, a CD 22 and This Old House (TCS)... NO SOOTING and I burned to the bottom. It never "torched" on me and the melt pool was even and perfect! I was thinking that since 464 has such a low melt point, maybe it would work to single wick. Yippeee!!! Now, not all scents would do that, I know, but this one was perfect! I'm gonna play with them this year and see if maybe I can have a dependable line to single wick in those jars for NEXT Christmas... the burn time was AWESOME (took a loooongggg time to test). -Kristi