
Recycling candle jars is an important part of being environmentally conscious. Glass can take thousands of years to break down in a landfill, so it is important to recycle candle jars properly. There are several ways to do this, including removing the wax and placing the jar in a recycling bin, reusing the jar for storage, or composting the wax and reusing the jar for a new candle.
Should you recycle candle jars?
| Characteristics | Values |
|---|---|
| Is it important to recycle candle jars? | Yes, glass can take thousands of years to break down in a landfill. |
| What happens if you put a dirty candle jar in the recycling? | It could contaminate the entire batch if the wax gets on other items. |
| What are some ways to clean out candle jars? | Boiling water, freezing, or using a stovetop method. |
| What can you do with clean, old candle jars? | Reuse them for storage, as snack bowls, or for food fermentation |
| What should you not do with candle wax? | Do not pour it down the drain as it will clog your pipes. |
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What You'll Learn

How to clean candle jars before recycling
It is important to recycle candle jars properly to avoid contaminating the entire batch of recycling with wax. Here is a step-by-step guide on how to clean your candle jars before recycling:
Step 1: Burn the candle
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. This typically takes around four hours.
Step 2: Prepare the jar
Before you begin, minimise any mess by placing an old towel on your workspace. Gather your candles and place them on the towel.
Step 3: Boil the water
Boil a kettle or pot of water. If you are using a pot, it is recommended to place the candle jar in a bowl that is sitting on top of the pot to avoid dangerously high temperatures.
Step 4: Pour the water
Once the water is boiling, carefully pour it into the candle jar, filling it about three-quarters full. The hot water will melt the wax, causing it to rise to the surface.
Step 5: Wait
Allow the jar to sit and cool for around four to five hours until the wax solidifies at the top, above the water.
Step 6: Remove the wax
After the jar has cooled, remove the wax. This may require some effort. You can use a butter knife to pop out the wax, or simply pick it out.
Step 7: Wipe down remaining residue
After removing the wax and wick, wipe away any lingering residue with hot, soapy water and a sponge. Ensure the jar is impeccably clean and dry before recycling or repurposing.
Alternative method: Freezing
An alternative method to the boiling water technique is to place the candle jar in the freezer overnight. The wax will freeze and peel off the sides of the jar, allowing you to easily remove it with a knife.
Now that your candle jar is clean, you can recycle it or repurpose it for storage, as a to-go mug, or for homemade beauty products.
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Creative ways to reuse candle jars
Before reusing candle jars, it is important to clean them properly. One way to do this is by placing the jar in a bowl of boiling water, which will melt the wax without heating the jar to dangerously high temperatures. You can also pour boiling water directly into the jar, but be careful as the jar will become extremely hot. Another method is to freeze the candle jar, which will harden the wax and make it easier to remove in one piece.
- Plant pots: Candle jars can be used as mini plant pots for small succulents or herbs. Just make sure to add drainage stones if you're planting directly into the jar.
- Storage: Candle jars are perfect for storing items such as art supplies, jewellery, keys, or office supplies. They can also be used to store bulk food items like quinoa or rice.
- Glassware: Candle jars, especially those made of sturdy glass, can be reused as glasses for your favourite beverages.
- Toothbrush holder: A stylish way to keep your bathroom organised.
- Homemade beauty products: Old candle jars can be used to store homemade beauty products such as balms, bath salts, or dried herbs for soaking in the bath.
- Table decorations: Fill tinted glass jars with fairy lights for a magical, romantic ambiance.
- Food storage: Candle jars can be used to store homemade jams, jellies, preserves, curds, or even cookies and granola. They can also be used for meal prep, storing food such as salads or overnight oats.
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Why you shouldn't throw candle jars away
Glass candle jars should not be thrown away because they can be reused or recycled. Throwing them away will only add to the waste in landfills, which is harmful to the environment. Here are some reasons why you should not throw away candle jars:
Reuse
Empty candle jars can be reused in a variety of ways around the home. They can be used for storage, such as for toiletries, makeup brushes, cotton balls, hair ties, office supplies, or even spare change. They can also be used as snack bowls or drinkware, although it is important to ensure that the jar is food-safe and properly cleaned before using it for food or drink. Candle jars can also be used for regrowing food scraps, such as green onions, celery, leafy vegetables, or bean sprouts, by placing the scraps in water and providing sunlight.
Recycle
Candle jars can be recycled, but it is important to ensure that they are completely clean and free of any wax residue before placing them in the recycling bin. Wax can contaminate the entire batch of recycling if it gets on other items, so it is crucial to properly clean the jar before recycling it. There are several methods to remove wax from candle jars, including using boiling water or freezing the jar and then using a butter knife to pop out the frozen wax.
Environmental Impact
Glass can take thousands of years to break down in a landfill, so throwing away candle jars contributes to environmental waste. By reusing or recycling candle jars, you can help reduce waste and minimize the negative impact on the environment.
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How to recycle candle wax
It is important to recycle candle wax properly to avoid contaminating the entire batch of recycled items. This is called "wishcycling" and can do more harm than good. Here are some ways to recycle candle wax:
Boiling Method
Place a small pot of water inside a larger pot of boiling water. Place the candle jar in the small pot and bring the water to a simmer. As different types of wax have different melting points, it may take some waxes longer to melt than others. Once the wax is melted, remove the old wicks with tongs and dispose of them. Pouring hot water directly into the jar is another way to melt the wax, but be careful not to clog your sink drain with wax.
Freezing Method
Place the candle jar in the freezer for a few hours. This will cause the wax to shrink, and it can then be easily popped out. You can use a butter knife to help remove the wax, but be careful not to scratch or weaken the glass. Breaking up the wax a bit before freezing can make it easier to remove.
Oven Method
Preheat the oven to its lowest setting and place the jar inside, removing any labels or stickers first. Once the wax is melted, scoop it out and reuse it or dispose of it appropriately.
Composting
If the candle wax is made with 100% natural wax (such as soy, beeswax, or coconut) and non-toxic fragrances, it can be composted.
After removing the wax, it is important to wipe down any remaining residue to ensure the jar is impeccably clean before recycling or repurposing it.
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How to properly burn a candle
Burning a candle seems simple, but there is a right way to do it to ensure safety, longevity, and ease of cleanup. Here is a step-by-step guide on how to properly burn a candle:
Prepare the candle:
Before lighting a candle, always trim the wick to between 1/8 and 1/4 inches long. This will give you a cleaner, brighter burn. Untrimmed wicks can take on a strange shape, dulling and obscuring the flame, and may cause smoky stains on your candle jar. You can use scissors, nail clippers, or a wick trimmer to trim the wick.
Burn the candle:
The general rule is to burn a candle for one hour for every 1 inch in diameter of the candle size. For example, a 2-inch-wide candle should burn for 2 hours. This ensures that the wax liquefies or melts from edge to edge, preventing the formation of a "memory ring." If a "memory ring" forms, the candle will continue to tunnel, wasting wax.
It is recommended that candles are not burned for longer than four hours at a time. Burning a candle for too long can cause carbon to collect on the wick, leading to a "mushroom" effect. This will make the wick unstable, producing a dangerously large flame, and causing the candle to smoke and release soot.
Additionally, keep burning candles away from fans, air conditioners, open windows, and crowded areas with people walking back and forth.
Extinguish the candle:
Allow the top layer of wax to melt all the way across before extinguishing the flame. After blowing out the candle, prop up the wick and pull it out of the wax to prepare it for the next lighting. Blowing out a candle can cause it to smoke, and you might accidentally blow some of the melted wax off the candle. Instead, use a wick dipper, tweezers, or a knife to extinguish the flame gently.
Allow the candle to cool:
Let the candle cool for at least two hours before relighting. This will help prevent the formation of a "memory ring" and ensure a consistent melt across the surface.
Recycle or repurpose the candle jar:
Once your candle has burned down completely, and the wick has disintegrated, it's time to recycle or repurpose the jar. Before recycling, ensure that the jar is impeccably clean and free of any wax residue. One way to clean the jar is by using the boiling method: place the jar in a bowl sitting atop a pot of boiling water, or carefully pour boiling water directly into the jar. This will melt and float the wax to the top. Let the jar cool, then remove the wax. Alternatively, if you have freezer space, you can place the candle jar in the freezer for a few hours until the wax freezes, then pop out the wax with a butter knife.
You can recycle the clean jar according to your local guidelines, or repurpose it in various ways, such as using it to store bulk food items, as a to-go mug, or for homemade beauty products.
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Frequently asked questions
To recycle candle jars, you must first remove the wax. You can do this by pouring out the wax when it is liquid, or by freezing the candle and using a butter knife to pop out the wax. Then, clean out the jar with hot water and soap, or by placing the jar in a bowl of boiling water. Once the jar is clean, it can be recycled.
Glass can take thousands of years to break down in a landfill. By recycling candle jars, you can help reduce waste and protect the environment.
Candle jars can be reused in many ways. They can be used for storage, such as for toiletries, office supplies, or food items. They can also be used for crafting, such as for making terrariums or candle jars.
When recycling candle jars, it is important to ensure that the jar is completely clean and free of any wax residue. Do not put the jar in the dishwasher, as this can strip the colour coating and decorations. Do not pour melted wax down the drain, as it can clog pipes.











































