Brooke Martin
Candle throw is a term that describes the strength of a candle's fragrance and how well it travels through the air to fill a space. There are two types of candle throw: hot throw, which is how strong a candle smells when it's burning, and cold throw, which is how strong a candle smells when it's unlit. Many factors can affect a candle's throw, such as the type of wax, the size of the candle container, the type of fragrance, and the amount of fragrance oil added. While adding more fragrance oil may seem like a straightforward way to increase hot throw, it can actually hurt candle performance and cause issues with wicking and appearance. Instead, it's important to find the perfect balance of fragrance oil and wax, ensuring that the two are properly bonded and mixed. Additionally, the size of the candle's melt pool, the choice of wick, and the curing process can all influence the strength of a candle's throw.
Characteristics of increasing candle throw:
| Characteristics | Values |
|---|---|
| Type of wax | Paraffin wax typically has a better scent throw than soy wax. |
| Temperature | The temperature at which fragrances are added affects the throw. If it is too hot, some fragrance notes may burn off; if it is too cold, the fragrance won't blend properly. |
| Type of fragrance | The type and quality of fragrance oil used can impact the throw. Pure, high-quality oils free of impurities will give a stronger throw. |
| Quantity of fragrance | The amount of fragrance oil added should be balanced. Too much oil can cause performance issues and increase fire hazards. |
| Stirring | Stirring the fragrance oil and wax thoroughly helps ensure a strong bond and better throw. |
| Wick | The type and size of the wick can impact the throw. Wooden wicks generally have a better throw than cotton wicks. |
| Container size | Larger containers with wider openings can improve the throw by allowing more oxygen to fuel the flame and release fragrance. |
| Cure time | Longer cure times for candles, ideally at least a week, can result in a stronger hot throw. |
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What You'll Learn
Choose the right type of wax
The type of wax you use in your candle will have a significant impact on its scent throw. There are two main types of waxes commonly used in candle-making: natural waxes (such as soy wax, beeswax, and coconut wax) and synthetic waxes (like paraffin wax and gel wax).
Paraffin wax, a by-product of petroleum, has a less dense molecular structure compared to other waxes, allowing for a stronger scent throw. It can hold a higher amount of fragrance oil, often requiring less to be used, and is considered the best wax for achieving an amazing scent throw. However, some candle makers prefer natural waxes like soy wax, which is a renewable and natural product. Soy wax has a denser molecular structure, which can make it more challenging to achieve a strong scent throw. It is also ''pickier'' about the fragrance oils that work well with it. Nevertheless, soy wax has its advantages; it can retain a scent for much longer than paraffin wax, which is why many commercially produced candles lose their scent over time.
To enhance the scent throw of paraffin wax, additives such as vybar can be used to help the wax retain higher fragrance loads. Alternatively, coconut and soy wax blends, like CB2 wax, Ceda Serica Wax, or EC-26 Wax, are popular choices for candle makers looking for a natural alternative to paraffin wax. These blends are formulated with a small amount of food-grade paraffin to improve scent throw.
When choosing the right type of wax, it is essential to consider the specific scent you want to achieve. Certain fragrances are naturally lighter or softer, and while they may not have an overpowering strength, they can still offer a delightful scent throw true to their nature. Additionally, the quality of the fragrance oil matters; opt for high-quality oils with more natural ingredients and lower amounts of solvent to ensure a stronger fragrance.
Finally, it is worth noting that the temperature at which you add your fragrances can affect the scent throw. If the wax is too hot, some fragrance notes may burn off, and if it is too cold, the fragrance may not blend properly. Therefore, it is crucial to follow the manufacturer's instructions on temperatures and make adjustments as needed for your specific climate.
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Use the correct amount of fragrance oil
When it comes to increasing candle throw, using the correct amount of fragrance oil is crucial. Too much fragrance oil can negatively impact the performance of your candle, causing issues with wicking and appearance. It can also increase the fire hazard of your candles. The ideal amount of fragrance oil depends on several factors, and finding the perfect balance is often a trial-and-error process.
Firstly, different types of wax have different maximum fragrance loads. For most wax types, the maximum amount of fragrance oil you can add is around 10-12%. However, it's important to note that soy wax, a commonly used natural wax, tends to have a lower maximum load due to its softer nature. Overloading soy wax with fragrance oil can result in wicking issues and a subpar burn. Therefore, it's recommended to start with a lower fragrance load for soy wax and adjust as needed.
Secondly, the specific fragrance oil you choose matters. Different brands of fragrance oils can yield vastly different results. Some fragrances are more potent than others, and you might find that using a lower percentage of fragrance oil actually gives you better results. Additionally, certain fragrances have naturally lighter or softer scents, which will impact the overall throw.
Thirdly, the temperature at which you add the fragrance oil is critical. If the wax is too hot, you may burn off some fragrance notes, and if it's too cold, the fragrance won't blend properly. Aim for a temperature range that ensures the fragrance oil binds effectively with the wax. For example, a temperature of 185-190°F (85-87°C) is often recommended for soy wax.
Finally, it's important to properly cure your candles after adding the fragrance oil. Curing refers to the chemical process where the fragrance and wax bind and mix. Store your candles with their lids on, away from sunlight, and at room temperature for at least three days to several weeks. The longer the curing time, the stronger the hot throw tends to be.
In conclusion, increasing candle throw requires a careful balance of fragrance oil and wax. Start with a slightly lower fragrance load than the maximum recommended for your wax type, choose a potent fragrance oil, add it at the correct temperature, and allow for adequate curing time. Fine-tune your process through experimentation, and always follow safety guidelines to avoid fire hazards.
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Pick the right wick
Picking the right wick is crucial to achieving the desired candle throw. The wick's role is to regulate the melt pool temperature, which in turn affects the fragrance distribution in the air. Here are some factors to consider when selecting the perfect wick for your candle:
Wick Material
The material of the wick plays a significant role in determining the candle's scent throw. Wooden wicks, for instance, offer a slightly stronger scent throw compared to cotton wicks. Wooden wicks may be a better option if you're aiming for a more prominent fragrance release.
Wick Size
Selecting the right wick size is essential to achieving an optimal melt pool. The wick should be appropriately sized to match the diameter of your candle. A wick that is too small may not generate enough heat to create a full melt pool, resulting in reduced fragrance distribution. Conversely, a wick that is too large may produce excessive heat, leading to an uneven burn or even a potential fire hazard.
Wick Series
Adding fragrance oil to your candle can alter its burning characteristics. As such, you may need to adjust the wick series or opt for a larger wick to accommodate these changes. Different fragrances have varying burn temperatures, and the wick must be suitable for the specific fragrance used.
Number of Wicks
Consider using multiple wicks in larger candles or containers. Increasing the number of wicks will provide more heat sources, resulting in a larger melt pool and, consequently, a stronger hot throw. This technique is particularly useful for candles in larger spaces, as it will help the fragrance permeate throughout the room more effectively.
Wick Burn
The way a wick burns, also known as "wick performance," is another factor to consider. Evaluate how your wick burns by conducting burn tests or referring to wick guides. A wick that burns unevenly or produces excessive smoke may indicate an issue with the wick selection or fragrance load.
In summary, choosing the right wick for your candle involves considering the material, size, compatibility with the fragrance, and burn performance. Experimentation and adjustments may be necessary to find the perfect wick that maximizes the candle's throw and creates a pleasant and safe burning experience.
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Cure candles with their lids on
Curing is a crucial step in candle-making, where candles develop their full aromatic potential. It is the downtime your candles need after pouring and before lighting. This is when the fragrance oils and wax bind together, allowing the scent to disperse evenly and strongly when the candle burns.
The curing process can be influenced by factors such as the type of wax, fragrance load, and colourant. For example, soy wax often requires a longer curing period than paraffin. Understanding these variables will help you tailor your curing process to ensure optimal results.
When it comes to curing candles with their lids on or off, there are differing opinions. Some sources recommend curing with lids on to prevent the scent from escaping and protect the candles from external elements. Glass lids, in particular, are popular for their non-reactive nature and ability to seal tightly. Metal lids are also effective at shielding scents but may react with certain fragrances, altering their composition. Wood lids offer a breathable option, allowing minimal air exchange that aids the curing process.
On the other hand, some candle makers argue that lids can slow down the curing process by trapping scent molecules inside. This can create a highly concentrated scent environment that may not be desirable. Additionally, lids made of decorative materials like wood or plastic may not be suitable for use during curing as they can melt or deform when exposed to heat.
Ultimately, the decision to cure candles with their lids on or off depends on the candle maker's preferences and the specific characteristics of their candles. Testing and experimentation are crucial to finding the optimal curing method for achieving the desired scent throw.
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Choose the right jar
The jar you choose for your candle can significantly impact its scent throw. Here are some key considerations to keep in mind when selecting the right jar:
Size of the Jar
The size of the candle jar is an important factor that will influence the candle's burn time, scent throw, and overall performance. Larger jars, such as tumblers or clear glass containers, can hold more candle wax, resulting in a longer burn time. Conversely, smaller jars, like tins or jelly jars, have shorter burn times but are more portable and convenient for small spaces. When choosing the size, consider the intended use of the candle, the size of the space where it will be used, and the desired burn time.
Diameter of the Jar
The diameter of the jar also plays a role in scent throw. Containers with larger diameters allow for larger melt pools, which are fundamental to a stronger hot throw. This is because a larger surface area provides more space for the candle to burn, releasing more fragrance into the air. Therefore, if you're looking to maximise scent throw, opt for a jar with a wider opening.
Oxygen and Carbon Dioxide Ratio
The jar's size and opening also affect the oxygen and carbon dioxide ratio during candle combustion. A candle needs oxygen to burn and release its fragrance, and a larger opening allows for better airflow. In contrast, a smaller opening restricts airflow, reducing the oxygen available for combustion and fragrance release. Therefore, consider choosing a jar with a wider opening to ensure adequate oxygen supply for optimal scent throw.
Aesthetics and Functionality
The jar's appearance and functionality are also important considerations. Glass candle holders are popular due to their affordability, durability, and ability to complement various interior designs. They come in different sizes and styles, from simple clear jars to decorative coloured or embellished options. On the other hand, tins are lightweight and practical for gifts or travel, but their smaller size may result in shorter burn times. Ultimately, the jar you choose should align with your intended use, personal preferences, and aesthetic goals.
Compatibility with Home Decor
The candle jar's compatibility with your home decor is another factor to consider. The jar should complement your interior design style and colour palette. Whether you choose a simple, unadorned glass jar or a more ornate option, ensure it enhances the overall atmosphere and aesthetic of your space. Additionally, consider the occasion for which the candle is being purchased or made, as this can influence the jar's size, style, and fragrance choices.
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Frequently asked questions
Candle throw describes how well a candle's scent travels through the air to fill a space. It indicates the quality of the smell—its strength and how it permeates a room.
Hot throw refers to the strength of a candle's fragrance while it is burning. Cold throw describes the strength of the fragrance before the candle is lit for the first time or while the wax is solid.
The type of wax, the size of the candle container, the temperature at which fragrance is added, and the type of fragrance used all impact candle throw. Natural waxes like soy wax typically have a weaker throw than synthetic waxes like paraffin wax. Larger containers with wider openings allow for larger melt pools, resulting in a stronger hot throw. Adding fragrance at a higher temperature can burn off some fragrance notes, while adding it at a lower temperature may prevent proper blending. Fragrance oils generally provide a better scent throw than essential oils.
Adding more fragrance oil does not always result in a stronger hot throw. In fact, overloading the wax with fragrance oil can cause performance issues and increase the risk of fire. It is recommended to start with 1-2% less than the maximum fragrance load and adjust as needed.
To improve the cold throw, ensure that your wax is hot enough before adding fragrance oil to achieve a strong bond. You can increase the temperature of your wax up to 190°F (87.8°C) for denser fragrance oils. Stir the mixture thoroughly to enhance the bond. Additionally, curing the candles with their lids on, away from sunlight, and at room temperature for at least a week can strengthen the cold throw.
