How To Trim Wood Wicks. Using a wick trimmer or other cutting tool, bring the blades towards the wick as parallel to the wax as possible. Extinguish the flame and let the candle cool down to room temperature.

Here's how to properly trim a candle wick: Extinguish the flame and let the candle cool down to room temperature. Trim the wick to a height of ¼ inches above the wax.