
Melting candles is a great way to recycle old wax and create new candles. There are several ways to melt candle wax, including using a double boiler, an oven, a microwave, a heat gun, or a wax melter. Each method has its own advantages and disadvantages, but all require careful handling to avoid injury or fire hazards. When melting candle wax, it's important to consider the type of wax, as different varieties have varying melting points. Additionally, safety precautions such as wearing protective gear and monitoring the temperature are crucial to a successful and safe melting process. With the proper techniques and precautions, melting candles can be a fun and rewarding activity.
How to Properly Melt a Candle
| Characteristics | Values |
|---|---|
| Melting Methods | Double boiler, microwave, oven, wax melter, heat gun, blow dryer, aluminium foil |
| Melting Temperature | Depends on the type of wax; soy wax: 49-82°C, paraffin wax: 46-68°C, beeswax: 62-65°C, gel wax: 82°C |
| Safety Precautions | Avoid direct heat, never exceed 250°F, never leave wax unattended, keep melted wax away from children and pets, wear protective gear |
| Moulds | Votive holder, vintage teacup, small moulds, candle holders, silicone moulds |
| Add-ons | Essential oils, dried flowers, cedar shavings, colour dyes, fragrance oils |
| Wick | Cotton wicks are the most common, ensure the wick is centred and upright |
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What You'll Learn

Using a double boiler
To create a double boiler, you will need a heat source, a pot of boiling water, and a pitcher or measuring glass that will sit inside the pot. Start by filling a large saucepan about halfway with water and placing it on the stove over medium to medium-high heat. Ensure that the container holding your wax can resist the temperature of boiling water (185°F - 212°F).
Next, place your wax in a pouring pitcher, clean coffee can, or smaller saucepan. The container should fit inside the larger pot but not touch the bottom or the water. This ensures that the wax is heated by steam rather than direct contact with water. Place the smaller container in the larger saucepan and heat over medium-low heat until the wax is completely melted.
As the wax begins to melt, occasionally stir the unmelted components with a wooden or heat-safe spatula to encourage even melting. Avoid aggressive stirring, as this can introduce air into the blend, impacting the final candle quality. Monitor the temperature with a thermometer, and remove the pitcher or measuring glass once the blend reaches 185°F - 190°F.
At this temperature, you can add your desired amount of fragrance oil and stir for about two minutes to ensure the oil is well-dispersed. You can also add 3-5 drops of liquid dye to colour your candles. Remember, soy wax appears more muted or pastel compared to paraffin, which produces a clearer colour.
Finally, pour your wax blend into the container at a steady rate. If you're making multiple candles, pour about 75% of the wax into each container and then top them off in the same order.
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Melting in the oven
To melt a candle in the oven, you will need to set the temperature low, usually around the 170–180 °F (77–82 °C) mark. This method is ideal if you are melting down several candles at once, as you can place multiple containers in the oven at the same time. Start by preheating your oven to the desired temperature. While the oven is heating up, prepare your candles by cutting them into smaller pieces. This will help the wax melt more quickly and evenly. Place the chopped-up candle pieces into oven-safe containers. You can use glass jars, tins, or silicone molds, ensuring they are heatproof. Place the containers in the oven, being careful not to spill any wax. You may want to place a baking tray on the rack below to catch any potential drips.
Keep an eye on the melting process, checking every 5 minutes or so to stir the wax and monitor its progress. The time taken will depend on the amount of wax you are melting and the temperature of your oven. Once the wax is completely melted, carefully remove the containers from the oven using oven mitts. Be cautious as both the wax and containers will be extremely hot. If you are adding new wicks to your candles, now is the time to secure them in place. Pour the melted wax into your chosen mold or container, centering the wick and holding it in place for a moment until the wax begins to set around it.
If you are simply remelting the candle to reset the wax, you can pour it directly back into its original container or a new one of your choice. Be sure to center the wick and adjust it so it remains straight as the wax cools. Leave the candles to cool and set completely. This may take several hours, and it is best to leave them undisturbed during this time. Once fully set, you can trim the wicks and enjoy your newly melted candles. Always exercise caution when using this method, as ovens can reach high temperatures and hot wax can be dangerous. Ensure good ventilation, and take care not to overheat the wax, as it may smoke or catch fire at high temperatures.
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Using a microwave
Melting candle wax in a microwave is a great way to easily melt your wax, especially if you don't have much space or fancy equipment. It's a cheap and easy way to try out candle-making without having to spend on potentially expensive equipment. Here is a step-by-step guide on how to properly melt candle wax in a microwave:
Firstly, find a microwave-safe container that is big enough for your wax. You can find these almost anywhere, but chances are you already have one in your home. Some containers will have labels on their back which will tell you if they are safe to use in a microwave. Other labels which show that a container is safe to use in a microwave include a symbol of a dish with wavy lines above it or simply wavy lines. You can use a plastic (microwavable) jug or a glass 'Pyrex' jug to melt your wax. Do not use any metal jugs or instruments as microwaves do not interact well with them.
Next, break the candles into small pieces and put them in the container. You can use the prongs of a fork to press the wax into the side of the bowl and break it up, which will make it melt faster in the microwave.
Now, place the container with the wax pieces in the microwave. Set the microwave for 30-second to 1-minute intervals on regular or high power. Keep your eye on the wax while it's in the microwave. If at any point you think the wax is getting too hot, take it straight out of the microwave. After each interval, take it out, give it a good stir, and repeat the process until your wax is completely melted.
Finally, once the wax is completely melted, you can then go ahead and add any fragrance and dyes to the wax. Remember to always be careful and keep a watchful eye on your wax to avoid any problems.
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Wax melters
To use a wax melter, it is recommended to cut your candle wax slab into small chunks for faster melting. Ensure that the wax melter spout is closed before starting the melting process.
In addition to wax melters, there are other methods to melt candle wax, such as using a double boiler or a microwave. The double boiler method involves using steam as a heat source by placing a smaller pan or bowl containing the wax over a larger pan of hot water. The microwave method is faster but requires the use of a microwave-safe container, and the wax should not exceed 80°C.
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Heat guns or hair dryers
Heat guns and hair dryers are tools that can be used to melt candle wax. Heat guns are essentially high-powered versions of hair dryers, with the ability to generate much higher temperatures. They can be used to fix bumpy tops on candles, create tie-dye candles, and clean candle-making supplies. The air temperature for heat guns ranges from 120 °F to over 1,000 °F, while hair dryers only reach temperatures of up to 140 °F. This makes heat guns more effective at melting candle wax, which typically melts at temperatures between 175 °F and 200 °F.
When using a heat gun to melt candle wax, it is important to exercise caution and safety. While they are perfect for quickly fixing imperfections in candles, they can also scorch the wax if too much heat is concentrated in one area. It is also important to be careful not to apply too much direct heat to the wick, as this can melt the glue under the tab and dislodge it or remove the wax coating.
Hair dryers can be used to melt candle wax in a pinch, but they may not be as effective as heat guns. The wider air stream of a hair dryer can blow hot wax onto the user or their work area, creating a mess. Additionally, hair dryers may not get hot enough to properly melt the wax, especially if they are held at a longer distance from the candle. This can result in uneven melting and a less smooth surface.
However, hair dryers can be useful for addressing small wet spots on the sides of candles or fixing minor imperfections in already cured wax candles. By turning the hair dryer to high heat and directing the air towards the top of the candle, it is possible to melt a small amount of wax and create a smoother surface.
Overall, while both heat guns and hair dryers can be used to melt candle wax, heat guns are generally more effective and versatile due to their higher temperatures and better control. They are a valuable tool for any candle maker, whether experienced or just starting out, and can help take your candle-making to the next level.
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Frequently asked questions
There are several ways to melt candle wax, including using a double boiler, a microwave, an oven, a wax melter, or a heat gun/hairdryer.
The double boiler method involves placing a heat-resistant bowl or pot over a pan of water. This ensures that the wax doesn't come into direct contact with the heat source, reducing the risk of overheating or fire hazards.
First, crumble the wax into a microwave-safe container. Then, heat the wax in the microwave in one-minute intervals until it reaches the desired temperature. Be careful not to overheat the wax and always handle with oven mitts.
If your candle has tunnelled, you can fix this by melting a small layer of wax. You can use a heat gun or hairdryer to melt the wax evenly across the surface of the candle. Alternatively, you can submerge the jar in hot water to melt the wax.











































