Brooke Martin
Glass candle jars are a common household item, often left over once the candle has burned out. The good news is that glass is one of the most sustainable packaging materials available, as it can be recycled indefinitely without losing quality. However, the process of recycling candle glass is not as simple as tossing it into a recycling bin. The recyclability of candle glass depends on several factors, such as the type of glass, the presence of residual wax, local recycling regulations, and the availability of specialist facilities.
How to Recycle Candle Glass:
| Characteristics | Values |
|---|---|
| Type of Glass | Most candle jars are made from standard glass, but some decorative candle jars may use treated, heat-resistant, or borosilicate glass, which requires specialist recycling facilities. |
| Cleaning the Jar | Before recycling, ensure the jar is clean and free from wax, wicks, and other residues. Wax can be removed by freezing and then scraping, using hot water, or pouring boiling water into the jar. |
| Recycling Facilities | Check with your local recycling centre to confirm the types of glass they accept. Commercial recycling plants are more likely to accept glass candle jars than local centres. |
| Repurposing | Candle jars can be repurposed for storage, decor, or planting small plants. |
| Recycling Programs | Some manufacturers offer recycling programs for their candle jars, such as Yankee Candle, Wood Wick, and Chesapeake Bay through TerraCycle. |
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What You'll Learn
Check the type of glass
Glass candle jars are often made from recyclable materials. However, not all glass candle jars are made from the same type of glass. Most jars are made from standard glass, which can be recycled into new products. However, some decorative candle jars may use treated, heat-resistant, or chemically different glass, which requires specialist recycling facilities.
The most common type of glass used for candles is borosilicate glass, which is durable and heat-resistant. Unfortunately, this type of glass is not accepted at most local recycling centres. You can take borosilicate glass to most commercial recycling plants, but it should not be recycled at home or in local centres. Soda-lime glass, on the other hand, is recyclable, but most glass candles do not use this material as it is unsafe when heated. Soda-lime glass has a green/blue tint, while borosilicate glass has a clear/yellow tint. When in doubt, assume that most candles are made with borosilicate glass.
If you're unsure about the type of glass your candle jar is made of, check with your local recycling centre to confirm the accepted types of glass. It's important to properly recycle glass candle jars to reduce waste and promote sustainability. Glass can take thousands of years to break down in a landfill, so it's crucial to recycle or repurpose glass candle jars whenever possible.
If your local recycling centre doesn't accept your glass candle jar, you can consider repurposing it. Clean glass jars can be used for various purposes, such as storage containers for beauty supplies, small plants, pantry items, or even as decorative items like tealight holders, vases, or lanterns. You can also donate clean glass jars to thrift stores or sell them online.
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Clean the jar
To recycle a candle jar, it must be completely clean and free from any wax, wicks, or other residues. Leftover candle wax and embedded metal wicks can contaminate and interfere with the recycling process, so it is essential to prepare your jars properly before placing them in the recycling bin.
One of the most common methods for cleaning a candle jar is the boiling method. First, boil a pot of water. Then, place the jar in a bowl that is sitting on top of the boiling pot of water. This will melt the remaining wax without heating the jar to dangerously high temperatures. You can then pour the hot wax into something going into the landfill trash (but be careful not to clog your sink drain with wax).
Another method is to freeze the candle jar overnight. Before placing the jar in the freezer, use a butter knife to make cuts in the wax. The carved marks will help you break the wax and remove it once it has frozen.
If you have less freezer space, you can place the jar in the oven at 160 degrees Celsius for 10 to 15 minutes. Place the jar on a baking sheet first, in case it cracks. After removing the jar from the oven, pour boiling water into it. The wax will dislodge and float to the top, allowing you to skim it off.
Once the wax has been removed, you can clean the jar with soap and water to ensure it is free of any remaining residue. Be sure to remove the metal wick holder at the bottom of the jar, which can be popped out with a little force.
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Remove the wax
To recycle candle glass, you must first remove any leftover wax and wicks. Here are some ways to do this:
Freeze it out
Place the candle jar in the freezer for at least 3-5 hours, preferably overnight. The wax will freeze and peel off the sides of the jar. Take the jar out of the freezer and use a butter knife to pop the frozen wax out of the container. Breaking up the wax before freezing can make it easier to pop out.
Boiling water
Pour boiling water directly into the candle jar, filling it halfway. The wax will rise to the surface on its own. Wait for the water to cool and the wax to harden, then remove the wax. If there is any remaining wax at the bottom, repeat the process.
Hairdryer
Hold the candle jar with an oven mitt and turn a hairdryer on to a warm setting. Direct the hairdryer to the sides and bottom of the jar to soften the wax. Once the wax is soft, use a butter knife to lift or scrape it out of the container.
Stovetop
Place the candle jar in an empty glass bowl over a pan of simmering water. This will melt the wax so you can easily pour it out. Alternatively, place the bowl on a heat-safe surface and pour the boiling water around the candle jar in the bowl. Ensure no water goes into the jar. Safely pour out the melted wax, then clean the jar.
Candle warmer lamp
Candle warmer lamps melt wax without burning it. Melt the remaining wax in the candle jar and pour it into something you plan to throw away.
After removing the wax, wash the inside of the jar with soap and water to remove any residue or soot before recycling.
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Recycle or repurpose
Recycling candle jars is a great way to reduce waste and promote sustainability. However, not all candles are recyclable due to their composition and makeup. Before attempting to recycle a candle jar, it is important to check what material it is made of. Most candles are made of glass, ceramic, or tin.
Glass
Glass is one of the most sustainable packaging materials available. It can be recycled indefinitely without losing quality, making it an ideal choice for eco-conscious consumers. However, not all glass candle jars are recyclable. Some decorative candle jars may use treated, heat-resistant, or borosilicate glass, which requires specialist recycling facilities and is not accepted at most local recycling centers. To recycle glass candle jars, the jars must be clean and free from wax, wicks, and other residues. Leftover candle wax and embedded metal wicks can contaminate and interfere with the recycling process.
There are several methods to clean a candle jar and remove wax residue, including:
- Freezing the candle jar and then using a butter knife to pop out the frozen wax.
- Placing the candle jar on a baking sheet and putting it in the oven at about 160 degrees Celsius for 10 to 15 minutes to melt the wax.
- Pouring boiling water into the candle jar to melt the wax, which can then be poured into something going into the landfill trash.
Once the wax has been removed, the jar can be recycled according to local regulations. In the UK, most council-run recycling centers accept clean glass jars, but it is important to confirm that the specific type of glass candle jar is accepted.
Ceramic
Ceramic candle containers are not typically accepted at local recycling centers but can be taken to most commercial recycling centers.
Tin
Tin candles are the most recyclable option as they are accepted at almost all local recycling centers.
Repurpose
If recycling is not an option, candle jars can be repurposed for a variety of uses. Some ideas for repurposing candle jars include:
- Storage for beauty supplies, small plants, pantry items, or stationery.
- Decorative items such as tealight holders, vases, or lanterns.
- Planters for succulents or herbs.
- Containers for homemade beauty products or to-go mugs.
- Making new candles.
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Donate or sell
If you're looking to donate or sell your used candle glass, there are several options available to you. Firstly, it is important to ensure that the glass is clean and free from any wax residue, as this can contaminate the recycling process. There are a few methods to remove wax from candle jars, including freezing the jar and then chipping away the wax with a spoon or knife, or using hot water to melt and remove the wax.
Once your candle glass is clean, you can consider donating it to a thrift store or local charity shop. Some organisations, such as Goodwill, accept lightly used candles and candle jars for upcycling. You can also check with your local donation sites or thrift stores to see if they are accepting such items. Additionally, some schools might take them for art classes, so it is worth reaching out to local educational institutions.
Another option is to sell your used candle glass. You can try selling them at a local market or online. Some candle manufacturers, such as Yankee Candle Company, Wood Wick, and Chesapeake Bay, also offer recycling programs where you can drop off your used candle glass at their stores or ship them using prepaid postage labels. Alternatively, you can repurpose your candle glass at home by using it for storage, decor, or even making your own candles.
It is worth noting that not all glass is recyclable, and it depends on the type of glass and your local recycling facilities. Most candle jars are made from standard glass, which can be recycled, but some decorative jars may use treated or heat-resistant glass that requires specialist recycling. Always check with your local recycling centre to confirm the types of glass they accept.
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Frequently asked questions
To clean candle glass for recycling, first, burn the candle to your heart's content. Once the candle is nearly finished, extinguish the flame and allow the wax to cool completely. Then, use the boiling method to remove the remaining wax from the jar. Place the jar in a bowl that's sitting atop a boiling pot of water. This cleans out the wax without heating up the jar to dangerously high temperatures. You can also pour boiling water into the jar and pour the hot wax into something going into the landfill trash. Alternatively, place the candle in the freezer for a few hours. The wax will freeze, and you can use a butter knife to pop out the wax. Remember to remove the metal wick holder at the bottom.
If you're not going to recycle your candle containers, you can repurpose them for a variety of uses. They make excellent storage containers for beauty supplies, small plants, pantry items, or homemade beauty products. You can also transform them into decorative items like tealight holders, vases, or lanterns.
Glass candle jars are often made from recyclable materials. However, recyclability depends on the type of glass and your location. Most jars are made from standard glass, which can be recycled into new products. However, some decorative candle jars may use treated or heat-resistant glass, which requires specialist recycling facilities. In the UK, most council-run recycling centres accept clean glass jars. Confirm with your local recycling centre to see if they accept glass candle jars and if there are any specific requirements.
Some manufacturers are partnering with TerraCycle to create free programs for recycling their products. Currently, Yankee Candle Company, Wood Wick, and Chesapeake Bay offer recycling for their candle brands through TerraCycle's free recycling program. You can drop off your used candles at your local Yankee Candle store or visit their website to print a prepaid postage label to ship your used candles to TerraCycle.
