
Candle tunneling is a common problem that occurs when only a small circle of wax around the wick melts while the candle is burning, instead of the entire surface. This results in a vertical tunnel forming in the center of the candle, causing the tunneling to worsen over time. To fix this issue, you can reset the candle's memory by melting the outer wax surrounding the tunnel and creating an even surface. This guide will explore various methods to reset a candle and prevent tunneling.
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What You'll Learn

Preventing candle tunneling by using the correct-sized wick
Candle tunneling is a common issue that occurs when only a small portion of the wax surrounding the wick melts while the candle is lit, creating a "tunnel" down the centre of the candle. This can be caused by a wick that is too small for the candle, or by not allowing enough time for the wax to melt to the edge of the candle on its first burn.
To prevent candle tunneling, it is important to ensure that your candle has the correct-sized wick. If the wick is too small, it may not be able to generate enough heat to melt the wax all the way to the edge of the candle. As a result, even if you give your candle plenty of time on the first burn, you may still end up with tunneling.
When purchasing a candle, look for one that has a wick size of approximately 1/4 of an inch. This is the optimal size for most candles, but you may need a larger wick for a bigger candle. For example, if your candle has a diameter of 4 inches, you will need a wick that is 1 inch wide.
In addition to using the correct-sized wick, it is also important to follow proper burning techniques to prevent tunneling. On the first burn, make sure to let the candle burn long enough for the entire surface of the wax to melt before blowing it out. This usually takes at least one to two hours, depending on the size of the candle. By allowing the wax to melt fully, you can help ensure that your candle burns evenly and prevents tunneling.
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Using a hairdryer to reset the candle's memory
Resetting a candle's memory is a great way to fix candle tunnelling, a common issue that occurs when a candle burns down the middle, leaving a thick ring of unmelted wax around the edges. This not only wastes wax but also shortens the candle's lifespan.
To reset a candle's memory using a hairdryer, start by extinguishing the flame if it is lit. Then, turn on your hairdryer and gently heat the top layer of the candle until the wax melts evenly. Be sure to use a low setting and hold the hairdryer far enough away to avoid spattering any wax. For safety, wear eye protection and clothes that can be washed if wax gets on them.
Once the wax has melted evenly, you can smooth out the surface with a spoon if needed. Then, light your candle and let it burn for a bit to reset the wax memory. This will ensure that the next time you light your candle, the pool of melted wax will reach the edge of the container, preventing tunnelling.
Using a hairdryer to reset a candle's memory is a simple and effective way to fix candle tunnelling and ensure your candle burns evenly and beautifully.
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The foil method to distribute heat evenly
When trying to reset a candle, one effective method to distribute heat evenly is by using the foil method. This technique ensures that the candle burns uniformly and helps eliminate issues like tunneling, where the candle burns down the center, leaving a tunnel of unmelted wax around the edges. Here's a detailed guide on how to use the foil method:
Prepare the Candle: Start by trimming the wick of your candle to about ¼ inch in length. A wick that is too long can cause excessive smoking and an uneven flame. Then, remove any debris or excess wax from the candle's surface, ensuring it is clean.
Get Your Foil Ready: Take a piece of aluminum foil that is slightly larger than the diameter of your candle. You want the foil to wrap around the candle with some excess. If you have a very wide candle, you may need to use multiple sheets of foil.
Create a Foil Collar: Wrap the foil around the candle, forming a collar or sleeve. The foil should be tall enough to extend slightly above the melted wax pool when the candle is lit. This collar will help distribute heat evenly, melting the wax at a consistent rate and encouraging an even burn. Secure the foil gently around the candle with a piece of tape or simply overlap the edges of the foil to hold it in place.
Light and Burn: Place the candle on a heat-resistant surface and light the wick. Allow the candle to burn for at least one hour for every inch of its diameter. For example, if your candle has a diameter of 3 inches, burn it for a minimum of 3 hours. This ensures that the wax melts evenly across the surface, preventing tunneling.
Remove the Foil: After burning for the recommended time, carefully remove the foil collar while the wax is still melted. This will help set the memory of the candle, ensuring it continues to burn evenly in the future.
By using the foil method, you are creating a controlled environment that encourages an even melt pool, which is essential for optimal candle performance. This technique is particularly useful for larger candles or those that have developed tunneling issues. Remember always to follow basic candle safety guidelines, such as never leaving a burning candle unattended and keeping flammable objects away from the flame.
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Using a wax melter to heat the entire candle evenly
If your candle has burned unevenly, you can reset it by forcibly melting the entire surface of the wax. This process is known as "resetting" the candle's memory. Once the wax has melted, allow it to settle back into a smooth, even surface.
One way to melt the wax is to use a wax melter, also known as a candle warmer. This is a safe and effective way to melt the wax and release its fragrance. Place the candle in the wax melter and turn it on. The wax will gradually melt, and you can then pour it into a mould of your choice.
If you don't have a wax melter, you can use a double boiler method on the stovetop. Fill a small pot with water and place it inside a larger pot on the stove. Bring the water to a simmer. Place your candle in the small pot and allow the wax to melt. Alternatively, you can use the oven method. Preheat the oven to its lowest setting, remove any labels or stickers from the candle jar, and place the jar inside. Once the wax has melted, carefully remove it from the oven and scoop it out.
It's important to note that different types of wax have different melting points, so adjust your heat source accordingly. Always take precautions when working with hot wax, and consider using oven mitts or heat-resistant gloves for protection.
By using a wax melter or alternative methods, you can effectively reset your candle and enjoy a more pleasant and even burning experience.
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How to scoop out wax with a spoon
Resetting a candle involves fixing candle tunneling, which occurs when only a small circle of wax around the wick melts while the candle is burning, instead of the entire surface. This results in a vertical tunnel in the centre of the candle, and the wick eventually drowning in wax.
One way to fix this issue is to scoop out the unmelted wax with a spoon. Here is a step-by-step guide on how to do this:
First, ensure that your candle is on a heat-proof surface. Then, use a spoon to carefully scoop out the unmelted wax around the tunnel until it is the same height or lower than the middle part that melts. Be gentle and take your time with this process to avoid damaging the candle or the container.
Once you have removed the excess wax, wipe the spoon with a paper towel and dispose of the wax in a waste bin. Avoid pouring wax down the drain as it can cause clogging.
After you have scooped out the excess wax, light the candle and let it burn until the pool of melted wax reaches the edge of the container. This will reset the "memory" of the wax, ensuring that it melts evenly in the future.
Additionally, you can use a hairdryer or heat gun to soften the wax before scooping it out with a spoon. This will make the wax easier to remove and reduce the risk of accidental spills. Always exercise caution when handling hot wax and never leave a burning candle unattended.
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Frequently asked questions
Candle tunneling occurs when only a small portion of the wax surrounding the wick melts while the candle is lit, instead of the wax melting evenly across the surface. This creates a tunnel in the center of the candle, causing the wick to drown in wax and the flame to go out.
To prevent candle tunneling, ensure that the first burn of a new candle lasts long enough to create a full melt pool that reaches the edge of the container. This sets a good memory and helps prevent future tunneling. It is also important to use the correctly-sized wick for your candle.
To fix candle tunneling, you can try melting the outer wax surrounding the tunnel to make the surface even again. This can be done by placing the candle in a preheated oven, using a hairdryer or heat gun to melt the wax, or wrapping the candle in aluminum foil to reflect heat back down to the candle's edge.











































