
There are many ways to melt old candles, and it's a great way to save money and be creative. Whether you want to make new candles, wax melts, or get creative with painting, there's a method to safely melt old candles. The most popular method is the double boiler, where you place a heat-resistant bowl or pot over a pan of boiling water, reducing the risk of overheating or fire. You can also melt candles in the oven at a low temperature or use a hairdryer or heat gun for a mess-free approach.
Characteristics and Values Table for Melting Old Candles
| Characteristics | Values |
|---|---|
| Melting Methods | Double boiler, microwave, oven, freezer |
| Melting Tools | Heat-resistant bowl or pot, pan, stove, oven, microwave, thermometer, tongs, tweezers |
| Wax Types | Paraffin, synthetic, soy, coconut, palm, beeswax, stearic acid, gelled mineral oil |
| Wick Types | Cotton, wooden, reusable |
| Wick Holders | Metal, double-sided stickers |
| Additional Materials | Colour dyes, fragrance oils, essential oils, pressed flowers, moulds, jars, glass bowls, pouring jugs |
| Safety Precautions | Do not exceed 80°C, do not melt wax in the microwave if the container is not microwave-safe, do not use knives or sharp objects to remove wax |
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What You'll Learn

Using an oven
Melting old candles in the oven is a straightforward process. First, preheat your oven to its lowest temperature setting. This will usually be somewhere between 170 and 200 degrees Fahrenheit, but the exact temperature will depend on your oven. It's important not to exceed 200 degrees, as you don't want the wax to boil and make a mess. Place your candles on a cookie sheet or baking tray and put them in the oven. The amount of time needed to melt the candles will vary, but it usually takes around 25 to 30 minutes.
While your candles are melting, prepare your wicks. Most wicks come with double-sided stickers. Peel off one side and place the sticker in the centre of your chosen candle vessel. Unpeel the other side and stick the metal base of the wick on top. If your wicks don't stand up straight, you may need to brace them. You can use a clothespin or chopsticks to hold the wick in place while the wax cures.
Once the candles are melted, remove them from the oven and use a pair of tongs or long, skinny pliers to pick out the old wicks and any other debris. Allow the wax to cool enough to touch with your hands, then carefully pour it into your chosen container. If you're making a single candle, let the wax cool completely before adding more wax of a different scent. This will create layers of scents that change as the candle burns.
If you're making multiple candles, you can pour the wax into small moulds and allow it to harden. You can use a wide-mouth funnel to help with this process. Remember to let the wax cool and harden completely before removing it from the moulds. You can speed up the cooling process by placing the moulds in the refrigerator for a few minutes. Once your candles are ready, trim the wicks, and enjoy your new creations!
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Freezing the candle
Step 1: Place the candle in the freezer
Place the candle in the freezer for at least 10 minutes or until it is completely frozen. The time taken for the candle to freeze may vary depending on its size and the temperature of your freezer.
Step 2: Remove the candle from the freezer
Once the candle is frozen, take it out of the freezer. Be careful not to leave it at room temperature for too long, as you want the wax to remain solid for the next step.
Step 3: Remove the wax
Using a butter knife or a similar tool, gently stab or tap the frozen candle to crack and pop out the wax. This method is much safer than using a sharp object to remove the wax, which can scratch or weaken the glass.
Step 4: Optional - Return to room temperature
If you are not in a hurry, you can let the wax return to room temperature before proceeding to the next step. This step is optional and depends on your preference.
Step 5: Remove the wick
After removing the wax from the jar, you can now safely take out the wick. If the wick does not come out easily, you can try microwaving the wax for a short time, such as 20 seconds on each side, to soften it slightly.
Step 6: Cut the wax
Cut the wax into small pieces or chunks using a knife or a soap cutter. This step prepares the wax for its next use, such as making new candles or wax melts.
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Double boiler method
The double boiler method is a safe way to melt old candles without the risk of overheating or fire hazards. This method involves placing a heat-resistant bowl or pot over a pan of boiling water. The steam from the boiling water will slowly melt the wax.
To start, gather all the candle remnants you have. These can be half-used candles, broken candles, or small stubs. Make sure to remove as much dirt and old wicks as possible before starting. You can use a pair of long, skinny pliers or tongs to grab and remove the old wicks.
Next, fill a pan with water and bring it to a boil. Then, reduce the heat so that the water simmers gently. Place a heat-resistant bowl or pot on top of the pan. Add the old candle remnants to the bowl or pot. The wax will slowly melt due to the steam from the boiling water. Stir occasionally to ensure even melting.
If you are using a glass or metal bowl instead of a candle-making pot or a double boiler with a handle, make sure to use an oven mitt to protect your hands as the melted wax can be extremely hot.
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Using a microwave
Although using a microwave is not recommended due to the metal discs that attach the wick to the holder, you can still use a microwave to melt old candles. Here is a step-by-step guide:
Step 1: Prepare the candles
Firstly, gather all the candle remnants you have. These can be half-used candles, broken candles, or small stubs. Ensure that you remove as much dirt, old wicks, metal wick holders, and matchsticks as possible before starting.
Step 2: Break down the candles
If your candles are in solid form, you will need to break them down into smaller pieces. You can do this by cutting them into smaller chunks or placing them in the freezer for several hours to harden, and then gently prying them into smaller pieces.
Step 3: Use a microwave-safe container
Place the broken-down candle pieces into a microwave-safe container, such as a glass bowl or jar. Ensure that the container is large enough to hold all the candle pieces and that it is safe to use in the microwave.
Step 4: Melt the candles in short intervals
Place the container with the candle pieces in the microwave and heat in short intervals, stirring occasionally with a wooden or microwave-safe utensil. Check the progress frequently to avoid overheating or spilling. The time required will depend on the amount and type of wax you are melting.
Step 5: Handle with care
Always use oven mitts or heat-resistant gloves when handling the container after heating, as it will be very hot. Be cautious to avoid any spills or burns.
Step 6: Pour the melted wax
Once your wax is completely melted, you can carefully pour it into your desired moulds or containers. Ensure that your wicks are already placed and centred in the moulds before pouring. You can use new wicks or, if your old wicks are in good condition, you can clean and reuse them.
Step 7: Allow the wax to cool and harden
After pouring the melted wax into your prepared moulds, let the wax cool and harden completely. This may take several hours, depending on the size of your new candles.
Additional Tips:
- You can add colour dyes, fragrance oils, or dried flowers to your melted wax to create scented candles or enhance their appearance.
- Always exercise caution when handling hot wax and using the microwave to prevent any accidents or spills.
- If you have access to other methods, such as a double boiler or stove-top method, they are generally recommended over the microwave due to the potential risks associated with metal pieces in the wax.
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Making new candles
Harvesting Wax
Firstly, gather all your candle remnants, which can include half-used, broken, or small stub candles. To remove the wax from its container, place the candle jar in the freezer for several hours. This will cause the wax to shrink and easily pop out. Alternatively, place the candle jar in a pan of shallow, boiling water for a few minutes to melt the wax and then cut and pull it out.
Melting Wax
The safest way to melt the wax is by using the double boiler method, which involves placing a heat-resistant bowl or pot over a pan of water. This reduces the risk of the wax burning or overheating. Fill the pan with water and bring it to a boil. Then, reduce the heat to a gentle simmer and place the bowl with the wax inside. Stir occasionally with a wooden implement to ensure even melting.
Preparing Wicks and Containers
While the wax is melting, prepare your wicks and containers. Most wicks have double-sided stickers. Peel off one side and place the sticker in the centre of your chosen container. Then, peel off the other side and stick the metal base of the wick on top. If reusing old candle containers, clean them with boiling water and ensure they are dry before placing the wick.
Adding Colour and Scent (Optional)
If desired, add colour dyes or fragrance oils to the melted wax, stirring well to evenly distribute the colour and scent. Be careful not to add too much, as this can affect how well the candle burns.
Pouring and Setting
Once the wax is completely melted and any desired colour or fragrance has been added, carefully pour it into the prepared containers, ensuring the wick remains upright and centred. Allow the wax to cool and harden completely, which may take several hours depending on the size of the candles.
With these simple steps, you can transform old candle scraps into beautiful new candles, reducing waste and unleashing your creativity.
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Frequently asked questions
The best way to melt old candles is to use the double boiler method. Place a heat-resistant bowl or pot over a pan of water and bring it to a boil. Then, reduce the heat and place the old candle remnants in the bowl to melt slowly.
You can use a variety of containers for your new candle, such as an old candle jar, a crystal votive holder, a teacup, a miniature vase, a ramekin, a crystal cup, or a short mason jar.
Place a wick in the centre of your chosen container. You can use a pre-waxed wick or a cotton wick, which is the most common type. Hold the wick in place by laying a pencil, toothpick, or popsicle stick across the top of the container and folding the wick over it.
Once you have melted your old candle remnants using the double boiler method, carefully pour the melted wax into your prepared container. Allow the wax to cool and harden completely before removing your new candle from the mould or leaving it in the holder.











































