
Burning candles is a great way to create a cosy atmosphere and illuminate your space without relying on electricity. However, candle disposal can be tricky. The correct method depends on the candle's composition, condition, and material. Most candles are made from glass, ceramic, or tin, and their recyclability varies. Glass candles, for example, are not always recyclable at home or in local centres, whereas tin candles are usually accepted at local recycling centres. Before recycling, it is crucial to separate the wax from the jar, as contaminants can hinder the recycling process. To do this, you can melt the wax by pouring hot water into the jar, allowing the wax to float to the top, and then simply scooping it out.
How to discard candles
| Characteristics | Values |
|---|---|
| Candle type | Single-use, glass, ceramic, tin |
| Candle composition | Paraffin, vegetable or animal fats, oils |
| Candle jar | Glass, tin, ceramic |
| Wax removal methods | Boiling water, freezer, stovetop, microwave |
| Wax disposal | Garbage, reuse |
| Wick disposal | General waste, mixed recycling bin (metal sustainer) |
| Jar disposal | Recycle, reuse |
| Recycling location | Bottle bank, household waste recycling centre (HWRC), commercial recycling plant |
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What You'll Learn

How to discard candle wax
To discard candle wax, you must first separate the wax from the jar or candle holder. This can be done by melting the wax. One way to do this is to boil a kettle and pour the boiling water directly into the jar, leaving some room at the top. The wax should then melt and float to the top. Wait for the water to cool and the wax to harden, then simply remove the wax. Any remaining bits of wax stuck to the jar can be scraped out, and the jar can then be washed with soap and water.
Alternatively, you can place the candle jar in a bowl set over a pot of barely simmering water. This will melt the wax without the jar getting dangerously hot. Once the wax has melted, pour it into something that you're planning on throwing away. Do not pour melted wax down the drain as it will clog your pipes.
Another method is to put the candle jar in the freezer for a couple of hours until the wax is frozen. Then, use a butter knife or spoon to pop the wax out of the container. Breaking up the wax before freezing can make this process simpler.
Once the wax has been removed, the jar can be recycled. Glass candle jars can be recycled with other glass products at your local bottle bank or household waste recycling centre. If the jar is made from borosilicate glass, it can be taken to a commercial recycling plant, but it should not be recycled at home or at a local centre. If the jar is made from ceramic, it can be recycled at most commercial recycling centres, but not at local centres. If the jar is made from tin, it can be recycled at local recycling centres.
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How to clean a glass candle jar
To clean a glass candle jar, you must first remove any leftover wax. There are several ways to do this:
- Place the candle jar on a heat-safe surface and pour boiling water into it, leaving some room at the top. The wax will melt and float to the top, and once the water has cooled, it will harden. You can then simply pick out the wax and scrape away any remaining bits.
- Alternatively, you can place the candle jar in a bowl of barely simmering water to melt the wax without the jar getting dangerously hot.
- If you have more than one candle jar to clean, you can place them in a pot of boiling water. Use tongs to handle the hot jars.
- For a gentler approach, soak the candle jar in warm water for about 30 minutes. The warmth will soften the wax, allowing you to easily dislodge it from the jar.
- Place the candle jar in the freezer overnight. The next day, turn the jar upside down, and the wax should pop out due to its reduced size. If the wax remains stubborn, gently apply pressure with a spoon or butter knife to nudge and remove it.
- You can also try breaking up the wax a bit before freezing to make it simpler to pop out once it’s frozen.
Once you've removed the wax, use warm water, soap, and a sponge to gently scrub the jar's interior. Dry the jar with a dish towel or paper towel. If there is persistent residue, an adhesive remover like Goo Gone can be effective. If the jar's opening is too narrow, a bottle brush can help ensure every inch is spotless and ready for reuse.
After cleaning, you can recycle or reuse your glass candle jar.
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How to recycle candle jars
Before recycling any candle jars, it is important to separate the jar from the wax and wick. The wax and wick should be disposed of in your general waste bin. If you want to recycle the wax, you can melt it and pour it into a mould to create a new candle. Alternatively, you can use the wax for other purposes, such as lubrication or waterproofing.
Once the wax has been removed, the jar can be recycled. Most candle jars are made of glass, which can be recycled at your local bottle bank or household waste recycling centre (HWRC). If the jar is made of borosilicate glass, it may not be accepted at local recycling centres and will need to be taken to a commercial recycling plant. Candle jars made from other materials, such as tin, may be accepted at local recycling centres, but it is important to check with your local council before disposing of them.
There are several ways to remove wax from a candle jar. One method is to boil water in a kettle and pour it into the jar, leaving some room at the top. The hot water will melt the wax, causing it to float to the top. Allow the water to cool, then remove the wax from the top of the water. You can also use a microwave to melt the wax, or place the jar in the freezer to harden the wax before popping it out with a butter knife.
It is important to ensure that the jar is completely clean before recycling it. Any wax residue may contaminate the recycling batch, rendering the entire batch unrecyclable. So, be sure to scrape out any remaining wax and wash the jar with soap and water before recycling.
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How to reuse candle jars
To reuse candle jars, you must first remove any leftover wax. One way to do this is by boiling water and pouring it into the jar, leaving some room at the top. The wax will melt and float to the top, and you can then pick it out once the water has cooled. You can also use a microwave to melt the wax, or place the candle jar in a bowl over a pot of simmering water. Alternatively, you can place the candle jar in the freezer for a couple of hours, and then use a knife to pop out the frozen wax.
Once the wax is removed, wash the jar with soap and water to ensure that it is completely clean. If your candle jar is made of glass, you can recycle it with other glass bottles and jars at your local bottle bank or household waste recycling centre (HWRC). However, it is important to check your local recycling policies, as not all glass can be recycled. For example, borosilicate glass, which is commonly used for candles due to its durability and heat resistance, is not accepted at most local recycling centres. In this case, you would need to take the jar to a commercial recycling plant.
If you do not want to recycle the jar, you can reuse it for various purposes. You can purchase candle refills and place them inside your old candle jar, or you can use the jar for other household tasks.
It is important to note that you should not pour melted wax down the drain, as it will clog your pipes. Instead, pour it into something you plan to throw away, or use it to top off another candle with a similar scent.
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How to dispose of candle wicks
Candle wicks are not recyclable, so they should be disposed of with your general household waste. If you want to recycle or repurpose the jar or container that the candle came in, you will first need to remove any leftover wax.
There are several ways to do this:
- Place the candle jar on a heat-safe surface and pour boiling water directly into it, leaving some room at the top. The wax should float to the top and harden as the water cools. You can then simply pick out the wax and scrape away any remaining bits from the inside of the jar. Finally, wash the jar with soap and water.
- Place the candle in the freezer for a few hours, or until the wax is frozen. Then, use a butter knife to pop the wax out of the container.
- Place the candle jar in a bowl set over a pot of barely simmering water. This will melt the wax without the jar getting dangerously hot.
- Place the candle in a separate pot and slowly pour boiling water around it (making sure the water doesn’t go into the jar itself).
Once you have removed the wax, you can recycle the jar with other glass waste. If the jar is made from a material other than glass, check your local recycling collections to see how to dispose of it.
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Frequently asked questions
To dispose of a glass candle jar, first, remove any leftover wax. You can do this by placing the jar on a heat-safe surface and pouring boiling water into it. The wax will melt and float to the top. Once the water has cooled, the wax will harden, and you can simply pick it out. Next, wash the jar with soap and water to remove any remaining wax residue. Finally, take the clean jar to your local bottle bank or household waste recycling centre (HWRC) to recycle it with other glass waste.
Leftover candle wax can be placed in your general waste bin. Alternatively, you can reuse the wax in various ways, such as by topping off another candle with a similar scent. Just be sure not to put wax down your drain or in your compost, as it can cause clogs.
Yes, candle jars made from other materials can also be recycled, but the process may vary depending on the material. Tin candle jars, for example, are usually accepted at local recycling centres. Ceramic and glass candle jars, on the other hand, may need to be taken to commercial recycling centres as they are not always accepted at local facilities.
Used candle wicks can be disposed of in your general waste bin. If the wicks have a metal sustainer, you can remove it, clean it, and place it in your mixed recycling bin.
To reduce waste and promote sustainability, consider using eco-friendly and reusable candles. Some examples include refillable candles, which allow you to purchase wax refills to place in your existing jar, and candles made from recyclable materials such as tin or soda-lime glass.










































