Tyler Brooks
Candle tunneling is a common issue that occurs when a hole forms down the center, leaving unused wax at the edges. This can be caused by a wick that is too small or too long, or by not allowing enough time for the entire surface of the candle to melt evenly during its first burn. Candle tunneling can drastically reduce the total burn time of your candle, and can also affect its scent throw. Luckily, there are several ways to fix a tunneled candle and restore its even burn, including using a hairdryer or oven to melt the wax and using aluminum foil to reflect heat back down to the candle's edge.
How to fix a candle after it tunnels:
| Characteristics | Values |
|---|---|
| Cause of tunnelling | Candle isn't burned long enough during its first few burns |
| Improper wick sizing | |
| Candle is placed in a drafty area | |
| Solutions | Use a hairdryer on medium heat to melt the top layer of wax |
| Put the candle in an oven at 175 °F (79 °C) for 5 minutes | |
| Wrap foil around the top edges of the candle while it's lit | |
| Trim the wick to 1⁄8 inch (0.32 cm) before lighting | |
| Burn the candle for 1-2 hours the first time | |
| Use a wick dipper to extinguish the flame | |
| Use a candle warmer |
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What You'll Learn
Ensure the wick is the correct size and shape
The wick is a crucial component of a candle's quality and care. A candle's wick needs to be the right size, usually about 1/4 inch, for an optimal burn. If the wick is too short, it may not be able to generate enough heat to melt the wax at the edge of the candle. This can result in tunneling, even if you give the candle enough time on its first burn.
To fix this, ensure the wick is centred and at least 1/2 inch long. If it is shorter, the candle may not burn evenly. Trim the wick to 1/8 inch before lighting it. Use nail clippers or a wick trimmer to cut it down to size. If the wick is too long, the candle may burn unevenly and cause a tunnel to form.
If the wick is too short or too long, it may be beyond saving. Consider replacing it with a new wick of the appropriate size. You can melt out all the wax and replace the wick. Scrape out all the wax from the candle and melt it in a double boiler until there are no solid chunks left. Then, slowly pour the hot wax back into the candle's container and replace the wick so it hangs in the centre. Let the wax cool and harden completely before lighting the candle again.
If your wick is too short, you can also try to expose it by gently scraping away the unburned wax around the edges with a butter knife or spoon. Be gentle to avoid damaging the wick or container. Dig around to give the wick some air and ensure it is the right length for a proper burn.
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Melt the wax with a hair dryer
If your candle has started to tunnel, you can use a hair dryer to melt the wax and fix the issue. This method is best used when the candle has just started to tunnel, as it will be easier to correct.
Firstly, lay some old newspaper or another type of protective covering beneath the candle to protect the surface it is on. You should also wear eye protection and clothes that can be washed, in case wax gets on them.
Next, turn on your hair dryer and hold it at a distance from the candle. You can then slowly move it closer until you reach an appropriate distance. Be careful not to hold it too close, as this may cause melted wax to blow around.
By heating the candle with a hair dryer, you will melt the top layer of wax and create an even surface. This will also expose any buried candle wick. It is important not to overheat the candle, to prevent any damage.
This method can be used to reset the memory of the wax, widening the melt pool so that it reaches the edges.
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Use a candle warmer
Candle tunneling is a common problem that occurs when a candle burns down the middle, leaving unused wax at the edges. This can drastically reduce the total burn time of your candle. Candle tunneling is often caused by an improperly sized wick that doesn't produce enough heat to melt the wax at the edge of the candle.
Candle warmers are an effective solution to fixing and preventing candle tunneling. They are electric devices designed to melt candles without an open flame, producing a consistent and uniform heat that melts the wax evenly from the bottom up. Here are some tips for using a candle warmer to fix a tunneled candle:
- Choose a suitable candle warmer: Select a candle warmer that is the appropriate size and has temperature control settings. Some candle warmers are designed for specific types of candles, such as container candles or pillar candles.
- Prepare your candle: Before placing your candle on the warmer, ensure it is clean and free of debris. Trim the wick to about 1/4 inch to prevent it from burning unevenly.
- Heat the candle gradually: Place the candle on the warmer and adjust the temperature to a low or medium setting. Allow the candle to heat gradually, as sudden high heat can cause the wax to melt unevenly.
- Monitor the melting process: Keep an eye on the candle as it melts to ensure even melting. Use a spoon to gently stir the wax if needed to distribute the heat evenly.
- Prevent overheating: Avoid overheating the candle, as this can damage the wax or affect its fragrance. Most candle warmers have temperature controls to prevent overheating.
- Extinguish the flame safely: If your candle has a burning wick, extinguish it before placing it on the warmer. Use a wick dipper or a snuffer to safely extinguish the flame without creating smoke or soot.
By following these steps, you can effectively use a candle warmer to fix a tunneled candle and enjoy a more even burn with improved fragrance and extended burn time.
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Scrape away excess wax
Candle tunneling is a common issue that occurs when a hole forms down the centre of the candle, leaving unused wax at the edges. This happens when a candle isn't burned long enough during its first few burns, preventing the initial layer of wax from melting to the edge of the container.
To fix this, you can scrape away the excess wax around the edges with a butter knife or spoon, making the candle's surface flat and even. Here are some detailed steps to guide you through the process:
Firstly, ensure that your candle has cooled completely before attempting to scrape away any wax. This will make the wax firmer and easier to work with. Using a butter knife or spoon, gently begin to scrape away the excess wax from the edges of the candle. Be careful not to apply too much pressure, as you don't want to damage the wick or the container. Slowly and gently work your way around the edges, flattening the surface of the candle. If your candle is in a container, be mindful not to scratch or damage the container during this process.
If your wick has become buried or stubby due to the tunneling, use your tool of choice to carefully dig around and expose the wick. Ensure that it is the appropriate length for a proper burn. If the wick is too short or damaged, you may need to replace it with a new one of the correct size.
Once you have scraped away the excess wax and exposed the wick, your candle should now have a flat surface. This will help encourage even melting during the next burn, preventing further tunneling.
Remember, it is important to address tunneling as early as possible. If the tunnel becomes too deep, it may be more challenging to expose the wick and restore even melting. Taking preventative measures, such as allowing for longer initial burn times, can also help avoid tunneling in the first place.
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Trim the wick
Trimming the wick of a candle is an important step in candle care and can help prevent candle tunneling. Candle tunneling occurs when a hole forms down the candle's centre, leaving unused wax at the edges. This happens when the wick is too small to generate enough heat to melt the wax at the edge of the candle.
To trim the wick, use a small pair of nail clippers or a wick trimmer to cut the wick down to 1/8 of an inch (0.32 cm) before lighting the candle. This will ensure that the candle burns evenly and prevent tunneling from occurring. If the wick is too long, the candle may burn unevenly and cause a tunnel to form.
In addition to trimming the wick, it is also important to ensure that the wick is centred and that the candle is burned for a sufficient amount of time during its first burn. This will help the wax melt to the edges, creating an even burn and preventing tunneling.
If tunneling does occur, there are several methods to fix it, including using a hairdryer to melt the top layer of wax, placing the candle in an oven to evenly melt the wax, or scooping out the unmelted wax with a spoon to create an even surface. However, the best way to deal with tunneling is to prevent it from occurring in the first place by properly trimming the wick and following candle care guidelines.
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Frequently asked questions
Candle tunnelling occurs when a hole forms down the centre of the candle, leaving unused wax at the edges. This happens when a candle isn't burned long enough during its first few burns.
To prevent candle tunnelling, ensure your candle's first burn is long enough to melt the entire top layer of wax from edge to edge. This usually takes 1-2 hours depending on the size of the candle.
If your candle has tunnelled, you can fix it by melting the outer wax surrounding the tunnel to make the surface even again. You can do this by using a hairdryer, oven, or heat gun.
You can also try using aluminium foil to reflect heat back down to the candle's edge, or scoop out the unmelted wax with a spoon to remove the "memory".
Candle tunnelling is more common in mass-produced candles that use cheaper wicks. If the wick is too small, it might not generate enough heat to melt the wax to the edge.
