
Glass candle jars can be recycled, but it's important to ensure they are completely clean and free of wax residue before doing so. Candle wax can be composted if it is made from 100% natural wax and non-toxic fragrances. To clean candle jars, one can use the boiling method, involving placing the jar in a bowl of boiling water, or freezing the candle and using a butter knife to pop out the wax. It is important to note that not all glass candle jars are accepted at local recycling centers, as most candles are made of borosilicate glass, which is not accepted at most local recycling centers.
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What You'll Learn
- Candle glass is often heat-treated, making it non-recyclable
- Borosilicate glass is used for most candles but isn't accepted at local recycling centres
- To recycle, candle wax must be removed and the jar cleaned thoroughly
- Reuse candle jars for storage, or donate to thrift stores or candlemakers
- Compost natural candle wax, or melt it to make new candles

Candle glass is often heat-treated, making it non-recyclable
Glass from candles can be recycled, but it is important to ensure that the glass is clean and free of any wax residue. Candle jars can be reused for various purposes, such as storing bulk food items, as to-go mugs, or for homemade beauty products. However, it is important to note that candle glass is often heat-treated during production, making it more durable and heat-resistant. This heat treatment also means that candle glass may not be accepted at local recycling centers, as it can resist the traditional facility heat temperatures used to recycle glass bottles and jars. This is because most candles are made of borosilicate glass, which is not accepted at most local recycling centers.
To recycle candle glass, it is best to take it to a commercial recycling plant. Before recycling, it is crucial to ensure that the jar is impeccably clean to avoid contaminating the entire batch with wax residue. This process is known as "wishcycling" and can do more harm than good. There are several methods to clean a used candle jar, including the boiling method, where you boil water and pour it into the jar to remove the wax, or freezing the candle for a few hours and then using a butter knife to pop out the frozen wax.
Additionally, it is important to remove the metal wick holder at the bottom of the jar, as it is attached with glue and can be popped out with some force. Composting is another option for candle jars, as the leftover wax can be composted if it is made with 100% natural wax and non-toxic fragrances. Overall, while candle glass can be recycled, it is important to follow the proper steps to ensure it is done in an environmentally friendly way.
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Borosilicate glass is used for most candles but isn't accepted at local recycling centres
Glass from candles can be recycled, but it is important to check what type of glass the candle is made of. Most candles are made of borosilicate glass, which is durable and heat-resistant, making it ideal for candles. However, this type of glass is not accepted at most local recycling centres. This is because borosilicate glass is heat-treated, and it resists the traditional facility heat temperatures used to recycle glass bottles and jars. As a result, these candle jars often end up in landfills, where they can take thousands to millions of years to decompose.
To recycle borosilicate glass, you need to take it to a commercial recycling plant. It is important to note that recycling centres will not accept any candle jars with wax residue, so it is crucial to ensure that the jar is impeccably clean before attempting to recycle it. There are several methods to remove wax from a candle jar, including the boiling method, where you boil water and pour it into the jar, or freezing the candle and using a butter knife to pop out the frozen wax.
Alternatively, you can choose to reuse your candle jars instead of recycling them. Clean, empty candle jars can be used for various purposes, such as storing bulk food items, as a to-go mug, or for homemade beauty products. They can also be used for DIY projects, such as succulent planters, cocktail glasses, or vases.
If you are purchasing new candles, consider buying refillable candles or those without glass jars to reduce waste. Some manufacturers, such as Yankee Candle Company, Wood Wick, and Chesapeake Bay, offer recycling programs through partnerships with companies like TerraCycle. Additionally, some local candlemakers may accept used candle jars for refilling or repurposing.
Overall, while most candle glass is technically recyclable, the limitations on borosilicate glass recycling at local centres highlight the importance of reusing and repurposing these jars whenever possible to reduce waste and minimise environmental impact.
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To recycle, candle wax must be removed and the jar cleaned thoroughly
Glass from candles can be recycled, but it's important to ensure that the jar is thoroughly cleaned before doing so. Most candles are made of borosilicate glass, which is durable and heat-resistant, but this type of glass is not accepted at most local recycling centres. Therefore, it is important to take the time to clean and prepare your candle jars properly for recycling.
Firstly, burn the candle until it is nearly finished, then extinguish the flame and allow the wax to cool completely, typically for at least four hours. This is an important step as it ensures the wax is hardened and easier to remove.
Next, prepare your workspace by laying down an old towel on a kitchen table or counter. This will help catch any spills and minimise the mess during the wax removal process. Now, it's time to remove the wax from the jar. There are a few different methods you can use:
- Boiling water method: Place the jar in a bowl sitting atop a pot of boiling water. This will help remove the wax without heating the jar to dangerously high temperatures. Alternatively, you can pour boiling water directly into the jar, being careful not to fill it to the brim. The hot water will melt the wax, causing it to float to the top. Allow the water to cool, then remove the hardened wax from the top.
- Freezer method: Place the candle jar in the freezer for a few hours. The cold temperature will cause the wax to shrink and freeze, making it easier to pop out with a butter knife. You can also break up the wax a bit before freezing to make it easier to remove.
After removing the wax, be sure to wipe down the jar to remove any remaining residue or wick fragments. It is important to ensure that the jar is impeccably clean and dry before recycling. If possible, you can also compost the wax if it is made with 100% natural wax, such as soy, beeswax, or coconut, and non-toxic fragrances.
Once your jar is clean and dry, check with your local recycling facilities to see if they accept candle jars for recycling. If not, you can explore other options, such as reusing the jar for storage or donating it to a thrift store. Remember, always take the time to properly clean and prepare your candle jars for recycling to avoid contaminating the entire batch with wax residue.
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Reuse candle jars for storage, or donate to thrift stores or candlemakers
Glass from candles can be reused for storage or donated to thrift stores or candlemakers.
Reuse candle jars for storage
Before reusing candle jars, it is important to ensure that they are clean. To clean the jars, one can use the boiling method, which involves placing the jar in a bowl of boiling water or pouring boiling water directly into the jar. This helps remove the wax residue without heating the jar to dangerously high temperatures. Alternatively, if you have freezer space, you can place the candle in the freezer for a few hours, causing the wax to freeze and making it easier to pop out with a butter knife. It is important to remove the metal wick holder at the bottom of the jar before cleaning. Once the jar is clean, it can be reused for storage. Some ideas for reusing candle jars include:
- Storing bulk food items like quinoa or rice
- As a to-go mug
- For homemade beauty products
- Storing herbs for tea
- As pen and pencil holders
- As succulent planters, cocktail glasses, or vases
Donate to thrift stores or candlemakers
If you do not want to reuse the candle jars yourself, you can donate them to thrift stores or candlemakers. Some candlemakers may have drop-off points for used candle jars, and some may even offer small gifts or discounts in return. Alternatively, you can find candle makers in your local community who are interested in reusing candle jars through platforms such as Reddit or Facebook Marketplace.
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Compost natural candle wax, or melt it to make new candles
Most candle wax is made from paraffin, a flammable, waxy solid obtained from petroleum or shale. However, candles made from natural waxes such as beeswax, soy, and coconut are becoming more popular. These natural waxes can be composted, but it may take several months to a year or more for them to fully decompose, depending on factors such as the size of the wax pieces and the temperature of the compost. It's important to ensure that the wax is free from fragrances, dyes, or other additives if you plan to compost it, as these could be harmful to the environment.
If you're not interested in composting, you can melt down leftover candle wax to make new candles. This process can be done using a double boiler, an oven set to its lowest temperature, or a wax melter. You can also use a combination of wax melts and candle remnants, but be cautious as wax melts often have a high concentration of fragrance oils, which can be flammable when exposed to a flame. Once the wax is melted, simply pour it into a new container with a wick and allow it to cool and solidify. This method allows you to create custom candles and reduce waste.
Alternatively, you can recycle candle containers made from materials such as glass, metal, or tin. Glass is the most common material for candle containers and can be recycled, but it's important to check if your local recycling center accepts the specific type of glass. Most candles are made of borosilicate glass, which is durable and heat-resistant but not accepted at most local recycling centers. Instead, borosilicate glass should be taken to commercial recycling plants. On the other hand, soda-lime glass, which has a green or blue tint, is recyclable but less commonly used for candles as it is unsafe when heated.
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Frequently asked questions
Glass candle jars are usually made of borosilicate glass, which is not accepted at most local recycling centres. However, they can be recycled at most commercial recycling plants.
First, ensure that the jar is made of glass and not ceramic or tin. Next, remove any remaining wax and the wick from the jar. You can do this by boiling water and pouring it into the jar, or by freezing the candle and using a butter knife to pop out the wax. Once the wax is removed, wipe down any remaining residue. Finally, check with your local recycling facilities to see if they accept glass candle jars, and recycle according to their guidelines.
Yes, glass candle jars can be reused for a variety of purposes. You can use them to store bulk food items like rice or quinoa, as a to-go mug, or for homemade beauty products. They can also be used for storage, such as holding pens and pencils or herbs for tea.
To clean a glass candle jar, you can use the boiling method. First, boil a pot of water and pour it into the jar. The hot water will help to remove the wax from the jar. Alternatively, you can place the jar in a bowl of boiling water to avoid dangerously high temperatures. You can also try freezing the candle and using a butter knife to pop out the wax, but be sure to break up the wax first.
Yes, there are a few other options for disposing of glass candle jars. You can donate them to a thrift store or find artists or recyclers who may want them. You can also look for local candle makers who accept used candle jars, or trade them in for a small gift or discount at certain stores.











































