Chloe Adams
Candles are often lit to create a calm and peaceful ambience, but a flickering flame can be annoying and ruin the mood. There are several reasons why a candle flickers, from manufacturing issues to environmental factors. A flickering candle can also be dangerous, as it may be a sign that the candle is burning faster than normal and could become a fire hazard.
| Characteristics | Values |
|---|---|
| Wick length | A long wick can cause the candle to flicker excessively. |
| Wick type | Using the wrong type of wick can cause the candle to flicker. |
| Wick mushrooming | Carbon build-up on a burned candle can cause the flame to become irregular. |
| Wax quality | Cheap wax can cause the candle to flicker. |
| Wax impurities | Air bubbles, dirt, or other impurities in the wax can disrupt the flame. |
| Fragrance oil | Too much fragrance oil for the type of wax can cause flickering. |
| Wind or drafts | Even slight drafts can cause flickering. |
| Storage | Candles left uncovered can accumulate moisture, dirt, and dust, which can lead to flickering. |
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What You'll Learn
Wind, draughts, or air movement
The flickering of a candle is caused by the disruption of the balance between the wick, fuel, and oxygen. When a candle flickers, it is not receiving a consistent supply of oxygen, which can be due to air movement in the surrounding area. This inconsistent oxygen supply causes the flame to dance and move, resulting in the flickering effect.
In addition to wind and draughts, the length of the wick can also contribute to flickering. If the wick is too long, it can cause the candle to flicker excessively, emit more soot, and burn faster than normal. To prevent this, it is recommended to trim the wick to a certain length, such as a quarter of an inch or 0.5 cm, before lighting the candle.
Another factor to consider is the quality of the candle. Cheap wax, incorrect wick type, and the presence of fragrance oils can all contribute to flickering. Additionally, impurities in the wax, such as air bubbles, dirt, or moisture, can disrupt the flame and cause flickering. To avoid this, it is important to store candles in a cool, dry place with a lid to prevent the accumulation of dust, dirt, or moisture.
By understanding and addressing these factors, you can minimise the flickering of candles due to wind, draughts, or air movement, and create a more relaxing and enjoyable atmosphere.
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Incorrect wick size
A candle's wick plays a crucial role in its burning process. If the wick is too small, it cannot efficiently burn the wax and generate enough heat, causing the candle to flicker and go out. This can also lead to an uneven wax pool and tunnelling, where the wick becomes buried in wax. In some cases, a wick that is too small can cause the tealight holder to overheat and break.
On the other hand, a wick that is too large can also cause issues. Large wicks burn through wax too quickly, leading to an uneven burn and flickering. Additionally, if the wick is too long, it can cause the candle to flicker as the balance between the wick and wax becomes uneven, resulting in black smoke and a higher flame that poses a potential fire hazard. Trimming the wick to the appropriate length is essential to prevent this issue.
The type of wick used is also important. If the wrong type of wick is selected for the specific wax and fragrance load, it can cause the flame to flicker. This could be due to the wick being unable to handle the heat or the combination of wax and fragrance oil.
To ensure optimal burning, it is recommended to trim the wick regularly, typically every 3-4 hours, to maintain a length between 1/8 to 1/4 of an inch. This helps prevent issues such as carbon buildup, also known as "mushrooming," which can cause irregular flames and flickering.
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Wick length
Candlelight is a soothing sight, but a flickering flame can be a nuisance and an indicator of an underlying issue. One of the key factors affecting a candle's performance is wick length. So, what is the ideal wick length, and why does it matter?
The wick's primary role is to draw wax towards the flame, providing fuel for combustion. When a candle is first lit, the heat of the flame melts the wax near the wick, which is then
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Manufacturing faults
Candle wicks can be faulty due to incorrect sizing. A wick that is too large will burn through the wax too quickly, causing the flame to flicker. Conversely, a wick that is too small will create an uneven wax pool, leading to tunnelling and an inconsistent flame. Additionally, the wick may be clogged or mushroomed due to carbon build-up, which can be caused by using too much dye, fragrance oil, or additives such as mica or crayons.
In terms of wax, impurities are a significant concern. Air bubbles, dirt, or other contaminants in the wax can disrupt the flame's flow as it feeds on the wax. This results in flickering. Low-quality wax is more prone to these issues and may burn inconsistently, leading to excessive flickering.
To mitigate these manufacturing faults, it is recommended to purchase candles made with high-quality wax and well-constructed wicks. Properly storing candles and regularly trimming the wicks can also help reduce flickering caused by manufacturing issues.
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Candle storage
Choose a Suitable Storage Space: Select a cool, dry, and dark location to store your candles. Avoid areas with extreme temperatures or direct sunlight, as this can cause the wax to melt or discolour. Kitchens and bathrooms may not be ideal due to the presence of moisture and heat. Consider using a storage cabinet, shelf, or container specifically designated for candle storage.
Protect from Dust and Moisture: Keep your candles covered or sealed to prevent the build-up of dust, dirt, and moisture. Use lids or containers with tight-fitting lids to ensure that your candles remain clean and free from impurities. This is especially important if you are storing candles for an extended period.
Avoid Drafty Areas: Store your candles away from windows, doors, or any areas with strong air currents. Drafts can cause the candle's flame to flicker excessively and affect its burning performance. Ensure that your storage area is relatively still and free from strong air movements.
Trim the Wicks: Before storing your candles for a prolonged period, trim the wicks to the recommended length. This helps prevent carbon build-up and reduces the risk of excessive flickering when you eventually light the candle. Aim to trim the wick to about 0.5 cm or a quarter of an inch in length.
Use Organisers and Shelves: Utilise storage organisers, shelves, or containers to neatly arrange your candles. This helps protect them from being knocked over or damaged. Cube shelves, for example, can provide a sturdy and space-efficient solution for storing multiple candles.
By following these candle storage guidelines, you can help maintain the quality and longevity of your candles, ensuring they burn smoothly and safely when you're ready to light them.
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Frequently asked questions
Candles flicker due to a variety of reasons, including wind or drafts, incorrect wick length, the accumulation of dust, dirt, or moisture, and manufacturing defects.
Even a slight draft can cause a candle to flicker as it disrupts the flow of oxygen to the flame.
If the wick is too long, it can cause the candle to flicker excessively, emit more soot, and burn faster. Conversely, if the wick is too short, it may not be able to draw up enough wax and cause the flame to flicker.
Leaving candles uncovered can expose them to dust, dirt, or moisture, creating impurities in the wax. These impurities, particularly air bubbles, can disrupt the flow of the flame and cause flickering.
Yes, manufacturing defects such as using the wrong type or size of wick, or pouring the wax at the incorrect temperature, can lead to candle flickering.
