Have you ever lit a candle and noticed a deep well of melted wax around the wick while wax remains along the sides? That is called tunnelling. It can happen when a candle’s first burn is too short, or when a draught makes the flame burn unevenly. A few careful habits can help you enjoy more of your BAFF candle.
What causes a candle to tunnel?
A candle usually melts the wax closest to its flame first. During an early burn, if the melt pool does not spread across most of the candle’s surface before it is extinguished, the candle may begin to form a narrow well. Later burns can follow that well, leaving a higher ring of wax around the edge.
How to help prevent tunnelling
- Give the first burn enough time. When you first light a candle, let the wax melt across most of the top surface, while following the burn-time guidance on its label. The right time varies with the candle’s size and design.
- Keep the candle level and away from draughts. An open window, fan or air conditioner can make a flame flicker and heat one side more than the other.
- Prepare the candle before each use. Let the wax cool, then trim the wick to the length recommended on the product label. Remove loose wick pieces and other debris from the wax.
- Burn safely. Set the candle on a stable, heat-resistant surface, keep it away from anything that can catch fire, and never leave it unattended. Extinguish it before leaving the room or going to sleep.
Can I fix a candle that has already tunnelled?
For a shallow tunnel, a longer, supervised burn on a level surface may help the wax melt more evenly, provided you stay within the burn-time guidance on the label. Do not leave the candle burning in an attempt to melt every last edge. If the wick is buried, the flame behaves unusually, or the tunnel is deep, extinguish the candle and contact us for advice rather than trying improvised fixes.
Make every burn a little better
Every candle is made differently, so the care instructions on your BAFF candle are the best guide for that particular product. Explore the BAFF Candle collection and read our candle safety guidance before lighting.
Questions about caring for a candle? Contact the BAFF Candle team and we’ll be happy to help.
