To ensure you experience the high quality of our Soy Candles we encourage you to trim your candles wicks. This will keep the candle burning longer and prevent any black soot buildup. Wicks should be trimmed to 1/4 inch every time before you light your candle. The easiest way to keep those wicks trimmed is with these high quality wick trimmers from Boll Weevil Soap Company. Made in Memphis, TN.