Jessie Taylor
Candle-making is a fun and rewarding hobby, but it's important to get the right equipment to ensure the best results. One of the most important tools is a candle thermometer, which allows you to monitor the temperature of your wax while making candles. This is crucial because the temperature of the wax affects the outcome of your candle. For example, if you're adding scent to your candles, you need to ensure the wax isn't hotter than the flashpoint of your fragrance oils, as this will burn the oil and ruin the scent. There are several types of thermometers available, including digital and non-digital options, each with its advantages and price points. In this article, we will explore the different types of candle thermometers and provide a step-by-step guide on how to read them accurately.
| Characteristics | Values |
|---|---|
| Purpose | To monitor the temperature of wax when making candles |
| Benefits | Ensures wax is not overheated, helps add dye and fragrance at the right temperature, and helps pour at the desired temperature |
| Types | Digital infrared thermometer, digital probe thermometer, candy thermometer, deep fry thermometer |
| Temperature range | Most digital thermometers can handle temperatures ranging from -58°F to 572°F. The flash point of paraffin wax is around 392°F. |
| Price | A cheap model sells for about $10, a reliable one will cost twice as much. |
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What You'll Learn
Thermometer types: digital, infrared, probe, candy, deep fry
When making candles, it is important to monitor the temperature of the wax to ensure it does not overheat, and that you add dye and fragrance at the right temperature. A candle-making thermometer is a must-have for any candle maker.
There are several types of thermometers available, each with its own advantages and disadvantages. Here are some of the most common types:
Digital Thermometers
Digital thermometers provide precise temperature readings and are very easy to use. They often feature a probe that can be inserted into the wax, and a digital display that shows the temperature. Some digital thermometers have additional features such as a backlight, adjustable probe, and a pivoting display. They can handle a wide range of temperatures, usually from \-58°F to 572°F. Digital thermometers are generally more expensive than non-digital options.
Infrared Thermometers
Infrared thermometers are a contactless option that can read the temperature of the wax extremely quickly and accurately. They are often more expensive than other types of thermometers, but they provide a fast and precise reading without having to insert a probe into the wax.
Probe Thermometers
Probe thermometers can be digital or non-digital and are commonly used for checking the doneness of meat. They are usually less expensive than other types of thermometers. The probe is inserted into the wax to take a temperature reading, and the temperature is displayed on a dial or digital screen. Probe thermometers may not be suitable for long-term use in melted wax.
Candy Thermometers
Candy thermometers are typically built into a metal frame and can be clipped to the side of the melting pot for continuous temperature readings. They often have a temperature range of around 100°F to 400°F and are marked with temperature increments for the different stages of candy-making. Candy thermometers are designed to withstand the high temperatures and long durations required for boiling sugar.
Deep Fry Thermometers
Deep fry thermometers consist of a probe that is dipped into the wax, and a dial that indicates the temperature with a needle. They are similar to candy thermometers in design and can also be clipped to the side of the melting pot. Deep fry thermometers are designed to handle the high temperatures of fry oil and often include temperature guides for commonly fried foods.
When choosing a thermometer for candle-making, it is important to consider the temperature range, accuracy, and ease of use. It is recommended to have at least two thermometers, including a digital one, to safely embrace different candle-making projects.
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Readings: precise, permanent, or at intervals
When making candles, it is important to monitor the temperature of the wax to ensure you do not overheat it, and to add dye, fragrance, and pour at the right temperatures. The ideal thermometer for candle-making will be precise, and able to give permanent or interval readings.
A digital probe thermometer is a good option for candle-making as it allows for a very precise temperature reading at a particular moment. It is not designed to remain in the wax for long periods, so it is best used to check the temperature at regular intervals. Most digital thermometers can handle temperatures ranging from −58°F to 572°F.
An infrared thermometer is another option that can read the temperature of the wax extremely precisely and without any contact. This is a fast and accurate way to get a precise reading without the annoyance of holding a probe in the wax.
If you are looking for a permanent reading, a non-digital thermometer like a candy thermometer can be clipped to the side of the melting pot. This will give you a constant reading of the temperature, but it is important to note that it will read the temperature of the pot, not the wax inside it.
For candle-making, it is recommended to have two thermometers: a digital one and a non-digital one. This will ensure you can safely make a variety of candles.
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Temperature: don't exceed 392°F
Temperature is key to making attractive, flawless candles. A candle-making thermometer allows you to monitor the wax temperature when making candles. This ensures you don't overheat the wax, add dye and fragrance at the right temperature, and pour at the desired temperature.
The flash point of paraffin wax is around 392°F, and you don't want the temperature of your wax to rise above this. If you add scent to your candles, you need to be sure that the temperature of the wax is not higher than the flash point of your fragrance oils, as this will burn your fragrance oil and kill the scent.
There are several types of thermometers that you can use to measure the temperature of your wax when making candles. A digital infrared thermometer is a fast, precise, and contactless option, but it can be a costly investment. A cheaper alternative is a digital probe thermometer, which can also provide very precise temperature readings at particular moments. However, it is not designed to remain dipped in melted wax for long periods of time, so you will need to use it to check the temperature at regular intervals. Most digital thermometers can handle temperatures ranging from −58°F to 572°F.
Non-digital options include a candy thermometer, which can be clipped to the side of the melting pot for a permanent reading, and a deep fry thermometer, which consists of a probe that dips into the wax and a dial that indicates the temperature with a needle.
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When to add: dye, fragrance, and colourant
Candle-making is an art, and like any art, it requires precision and patience. One of the most important tools for candle-making is a thermometer, which helps you monitor the wax temperature. This is crucial because the temperature affects how you add dye, fragrance, and colourant.
When it comes to adding dye, fragrance, and colourant, timing is key. Firstly, your wax must be fully melted to incorporate any colourant effectively. Different waxes melt at different temperatures, but a good rule of thumb is to aim for around 175°-185° F. At this stage, you can add your colourant for the best results. If you add colourant when the wax is solid or too hot, it won't mix properly.
Liquid dyes offer more flexibility, as they can be added at any time after the wax has fully melted. However, be cautious not to let the wax get too hot or too cold, as this can affect the final product. Dye chips or blocks, on the other hand, should be added when the wax reaches approximately 185° F, and definitely not above 225° F. Stir the chips until they dissolve completely, ensuring a consistent colour throughout your candle.
The type of colourant you use is also important. Liquid dyes, for example, are typically added at 185° F, the same temperature at which you would add any fragrance. Start with 1-2 drops of liquid dye, and adjust the colour as needed. Dye blocks, on the other hand, can be added earlier in the process, as they take longer to melt. Start with ¼ - ½ a block per pound of wax, and adjust as needed.
It's worth noting that fragrance oils can impact the colour of your candle. Some fragrance oils have a natural yellow, orange, or brown tint, which can affect the final colour, especially when combined with certain dyes. Always add your fragrance oil first, as adding it after the colourant can cause discolouration. Additionally, some fragrance oils have a lower flash point, so be sure to check the temperature of your wax before adding them.
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Safety: prevent scorching and discolouring
Candle making is a fun and rewarding hobby, but it's important to keep safety at the forefront of your mind. Scorching and discolouration are two common issues candle makers face, but they can be easily avoided with the right precautions.
Firstly, scorching. This is when a hole forms down the centre of the candle, leaving unused wax at the edges. This is caused by the candle burning too intensely, often due to an overly large flame or an incorrect wax temperature. To prevent scorching, always follow the manufacturer's instructions on burn time and proper use. In general, candles should not burn for longer than four hours and should be allowed to cool for at least two hours before relighting. When lighting a candle, use long matches or a long-reach lighter, and keep hair and loose clothing away from the flame.
To prevent scorching specifically related to wax temperature, a candle-making thermometer is essential. This will allow you to monitor the wax temperature to ensure you do not overheating it. Different waxes have different ideal pouring temperatures, so be sure to do your research. For example, gel candles require the wax to be heated to 266°F. When adding fragrance oils, be sure to check their flash point, as heating them above this point will burn the oil and kill the scent.
Now, onto discolouration. This is often caused by the fragrance oils used to scent candles. Natural ingredients like cinnamon and citrus, as well as the synthetic compound vanillin, are known to discolour wax. To prevent discolouration, opt for fragrance oils that do not contain these ingredients. Alternatively, you can embrace the discolouration as a natural and desirable part of the candle-making process!
Finally, some general tips for preventing issues with your candles include avoiding drafts, vents, or air currents, which can cause rapid or uneven burning, sooting, and excessive dripping. Always use a candle snuffer to extinguish a candle, as this prevents hot wax from splattering. Never leave a candle unattended, and keep it away from flammable objects and the reach of children and pets.
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Frequently asked questions
A candle thermometer is used to monitor the temperature of wax when making candles. This ensures that the wax doesn't overheat and that any dye and fragrance is added at the right temperature.
There are digital and non-digital options available. Non-digital options include candy thermometers and deep fry thermometers. Digital options include infrared thermometers and digital probe thermometers.
This depends on the type of thermometer you have. Candy thermometers can be clipped to the side of the melting pot for a permanent temperature reading. Deep fry thermometers consist of a probe that dips into the wax and a dial that indicates the temperature. Digital probe thermometers can be left in the wax at all times, or they can be used to check the temperature at regular intervals. Infrared thermometers can be pointed at the wax without touching it.
You can buy a candle thermometer online from retailers such as Amazon and Ikea, or from specialist craft stores such as Hobby Lobby.
