Tyler Brooks
Jar candles are a staple in home decor, but they can sometimes burn unevenly, creating a tunnel down the center. This is caused by a small circle of wax melting around the wick, rather than the entire surface of the candle. Not only does this result in wasted wax, but it can also make it difficult to light the wick over time. To prevent tunneling, it is recommended to let the wax melt to the edge of the container each time you light the candle, especially during the first lighting. Additionally, trimming the wick to 1/8 to 1/4 inch before each lighting can promote a more consistent burn. If your candle has already started to tunnel, there are several methods to fix it, including using aluminum foil to reflect heat back down to the candle's edge, melting the entire candle surface with a hairdryer, or scooping out the unmelted wax with a spoon. With proper candle care, your jar candles will burn evenly and beautifully in your home.
Characteristics of how to even out a jar candle
| Characteristics | Values |
|---|---|
| First burn | It is recommended to let the candle burn for a number of hours equal to the diameter of the candle. |
| Subsequent burns | Each time you light the candle, let the wax melt to the edge of the container. |
| Candle tunneling | Wrap aluminium foil around the outside of the candle so that the top extends inward over the unmelted wax. |
| Candle wick | Trim the candle wick to 1/8 to 1/4 inch long before each lighting. |
| Removing wax from the jar | Freeze the candle jar, then flip it upside down, and the wax should pop right out. |
| Reusing the jar | Cleaned-out candle jars can be used as storage containers or DIY decor items. |
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What You'll Learn
Prevent wax tunneling by letting the wax melt to the edge of the container
Candle tunneling is a common problem that occurs when only a small circle of wax around the wick melts as the candle burns, instead of the entire surface. This usually happens when a new candle is lit for a short period, preventing the wax from reaching the edge of the container and creating a barrier that persists in subsequent lightings.
To prevent wax tunneling, it is important to let the wax melt to the edge of the container, or at least nearly so, each time you light the candle. This is especially crucial the first time you light a new candle, as it sets the "'memory'" for future burns. The amount of time this takes will depend on the size of the candle's surface, typically ranging from one to a few hours. For example, a candle with a 4-inch diameter should burn for about 4 hours during its first lighting to ensure the wax melts evenly to the edges.
If you need to put out the flame early or if your candle has already started to tunnel, you can use aluminium foil to reflect heat back down to the candle's edge and aid in melting the wax. Wrap the foil around the outside of the candle, allowing the top to extend inward over the unmelted wax, and leave it for about 1-2 hours. Alternatively, you can use a hairdryer or heat gun to melt the entire candle surface and reset the "memory".
Once you've achieved an even melt, remember to trim your candle wick to 1/8 to 1/4 inch before each lighting. This enables a cleaner and more consistent burn. Additionally, gently push the wax inward to create a small lip around the top edges of the candle to prevent wax spillage and prolong its life.
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Trim the wick to 1/8 to 1/4 inch before lighting
Trimming the wick is an important step in ensuring your candle burns evenly. If the wick is too long, it can cause the flame to grow too large, which will burn the wax faster and shorten the life of your candle. Therefore, it is recommended that before each lighting, you trim the wick to between 1/8 and 1/4 of an inch in length. You can use scissors or even fingernail clippers for this task, but a candle wick trimmer is ideal as it will catch the wick and prevent it from falling into the candle and spreading ash.
Allowing your candle to burn evenly is essential to prevent tunnelling. Tunnelling occurs when only a small circle of wax around the wick melts while the candle is burning, instead of the wax across the entire surface. This often results in wasted wax, and as the tunnel deepens, it can become impossible to light the wick. Tunnelling is usually caused by a wick that is too small or a first lighting that is too brief, creating a barrier that remains in subsequent lightings.
To prevent tunnelling, it is important to ensure that the first time you light your candle, you allow it to burn for long enough for the melted wax to reach the edge of the container. This usually takes 1-2 hours, depending on the size of the candle's surface. After this initial burn, each time you light your candle, be sure to trim the wick to the recommended length of 1/8 to 1/4 of an inch. This will help to ensure a cleaner, more consistent burn and maximise the life of your candle.
By following these simple steps and taking care to trim the wick to the correct length before each lighting, you can help your jar candle burn more evenly and avoid the formation of tunnels.
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Use aluminium foil to reflect heat back down to the candle's edge
Jar candles can be a beautiful addition to your home decor. However, they can sometimes cause frustration when they don't burn evenly, creating what is known as "candle tunnelling". This occurs when a small circle of wax melts around the wick, instead of the entire surface of the candle, resulting in wasted wax and difficulty in lighting the wick.
To fix this issue and even out your jar candle, one effective method is to use aluminium foil to reflect heat back down to the candle's edge. This technique helps to ensure that the wax melts evenly across the surface. Here's a step-by-step guide on how to do it:
- Take one or more sheets of aluminium foil and carefully wrap it around the outside of the candle.
- Ensure that the top of the foil extends inward over the unmelted wax, creating a roof-like structure.
- Leave the centre of the candle open to allow the flame to burn and access oxygen.
- Let the candle burn for 1-2 hours.
- After burning, carefully remove the foil and allow it to cool before making any adjustments.
- You should now see that the surface of the candle has evened out, with a pool of melted wax reaching the edge of the container.
It's important to be cautious when handling the foil, as it will get hot during the process. Always let it cool down before touching it. Additionally, make sure that the opening in the centre of the foil is large enough to provide adequate oxygen for the flame to burn properly.
By following these steps, you can effectively use aluminium foil to reflect heat back down to the candle's edge, correcting candle tunnelling, and enjoying your jar candle's even burn and pleasant ambiance.
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Melt the entire candle surface with a hair dryer
To fix candle tunneling, you can use a hair dryer to melt the entire candle surface. This method can also be used to soften the wax in a spent candle for removal.
First, extinguish the candle flame if it is lit. Then, place the candle on an oven mitt or a heat-resistant surface to protect your surfaces from heat damage. Next, turn on your hair dryer and hold it at a low setting, starting far away from the candle and slowly moving it closer. The goal is to melt the wax to the edge of the container, so make sure you are heating the sides of the candle as well as the top surface. Be careful not to blow on the candle directly, as this may cause spatters of hot wax.
Continue heating the candle until the wax has completely melted and smoothed over. This may take several minutes, depending on the heat of your hair dryer and the size of your candle. Once the wax has melted, you can relight your candle and let it burn for at least 30 minutes or until you can no longer see any tunneling. Finally, set your candle aside and let the wax harden over the next few days.
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Remove leftover wax by freezing the candle jar
Freezing is an effective way to remove leftover wax from a candle jar. It is a safe and convenient method that does not require any special tools.
To begin, place your candle jar in the freezer for at least three to five hours, or preferably leave it overnight for the best results. The freezing temperature causes the wax to harden, shrink, and loosen its grip on the jar. After freezing, you should observe a large, frozen lump of wax at the bottom of the jar.
If the wax is still stuck to the glass, return the jar to the freezer for another hour or two. Once the edges have loosened sufficiently, the wax should be ready to remove. For a sizeable chunk of wax, turn the jar upside down and let gravity do its work. You may need to give it a gentle shake, and the frozen wax should pop right out.
For more stubborn wax residue, use a spoon or knife to gently scrape and dig it out. If the remaining wax is thinner, you can use a paper towel or cotton pad dipped in household cooking oil to dissolve and wipe away the wax. Oils such as canola oil, olive oil, melted coconut oil, or even baby oil can be used.
Finally, rinse the jar with dish soap and warm water to remove any remaining oil residue. Your candle jar is now clean and ready for repurposing or upcycling.
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