Improper use can prevent a candle from burning correctly, diffusing its scent, and lasting over time.
Here are the most common mistakes — and how to fix them.
Not allowing the entire surface to melt
The problem
The wax only melts in the center → a tunnel forms. Have you ever light a candle... only to realise you had to leave 15 minutes later?
How to fix it
For the first few uses, let the candle burn long enough for the wax to melt almost to the edges.
If the tunnel has already formed
- Let it burn longer to widen the melted area next time
- You can wrap the candle with aluminum foil, forming a kind of collar bent inwards around the edge to reflect heat towards the sides
- Or, while the wax is still warm (during burning or just after extinguishing), gently push the wax from the edges towards the center with a small wooden spatula or the back of a spoon. In this case, be careful not to cut the wick too short, as the level of melted wax will rise.
If the wax doesn't quite reach the edge (especially in a metal container), it's not necessarily a problem: the heat distributes better with continued use, and the candle often ends up melting more uniformly.
Not trimming the wick
The problem
A wick that is too long creates an unstable flame, consumes too much wax, and can cause the container to overheat.
How to fix it
- Cotton wick: trim to about 5 mm before each use
- Wooden wick: remove the burnt part and keep the wick very short at around 3mm — shorter than cotton, to avoid an oversized flame or excessive crackling.
A wick trimmer makes the task easier, especially when the wick becomes difficult to access.
It's also very practical for adjusting the wick safely while the candle is burning.
Burning the candle for too long
The problem
Burning for too long overheats the wax, alters the fragrance, and wears out the candle more quickly.
The container can also become very hot and damage the surface it's placed on.
How to fix it
Do not let your candle burn for more than 2 to 3 hours at a time, depending on its size.
Placing the candle in a draft
The problem
The flame flickers, the wax melts unevenly, and the candle can tunnel on one side.
How to fix it
Place your candle away from drafts for stable combustion. It will do the rest.
Not re-centering the wick
The problem
The candle burns crookedly and the wax melts asymmetrically.
How to fix it
Gently re-center the wick while the wax is still liquid. You can use the back of a spoon, then easily wipe it clean with a paper towel.
Extinguishing by blowing
The problem
This creates smoke and can alter the scent.
How to fix it
Extinguish the candle by smothering the flame (with a lid or a snuffer). If you extinguish your candle by closing the lid: once the flame is out remove the lid immediately to allow the smoke to escape. Leaving it on can cause smoke to settle on the wax, discolouring the surface and affecting the fragrance on your next burn.
Expecting a small candle to scent an entire large room
The problem
In a large space, the scent will simply be less noticeable, even if the candle is of good quality.
How to fix it
Adapt the size of the candle to the room: the larger the space, the larger the candle should be. You can also use several candles, placed in different spots, for more even scent diffusion.
By correcting these simple points, you will immediately improve the combustion, scent diffusion, and lifespan of your candle.
Have you ever encountered a problem with a candle? Have you found a solution or a trick that works? Share your experience in the comments below - it could help other candle enthusiasts :)
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