
It is important to dispose of candle jars properly. Throwing candle jars into the trash is not environmentally friendly as glass can take thousands of years to break down in a landfill. However, candle jars often cannot be recycled with other glass products due to their chemical composition. Before recycling, the jar must be completely clean and free of wax residue. To clean the jar, one can use methods such as boiling water, freezing, or oven heat to remove the wax.
Do you throw away or recycle candle jars?
| Characteristics | Values |
|---|---|
| Recyclability of candle jars | Candle jars are recyclable but only after removing the wax residue completely. |
| Wax recyclability | Candle wax is not recyclable but can be reused to make new candles. |
| Wax removal methods | Boiling water, freezing, or using a stove-top method. |
| Reuse of candle jars | Candle jars can be reused for storage, as to-go mugs, or for homemade beauty products. |
| Environmental impact of disposal | Glass candle jars take thousands of years to decompose in a landfill, contributing to waste problems. |
| Precycling | Considering the afterlife of products before purchasing them. |
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What You'll Learn

Remove wax by freezing the candle jar
It is important to remove candle wax before recycling or reusing candle jars. Candle wax is not recyclable, and if a jar is not properly cleaned before being recycled, it may still end up in a landfill. Freezing is a popular method for removing wax from candle jars.
To remove wax by freezing the candle jar, start by placing the candle jar in the freezer for at least three to five hours, preferably overnight. The wax will freeze and shrink, causing it to loosen and separate from the edges of the jar. If there is a significant amount of wax left, you may need to break it up before placing the jar in the freezer to make the process easier.
Once the wax is frozen, you can use a butter knife or spoon to pop out the large lump of wax at the bottom of the jar. If the wax doesn't come out easily, you can try turning the jar upside down and letting gravity do its work. You may need to give the jar a gentle shake to dislodge the wax. If there are still small pieces of wax stuck to the glass, use a spoon to gently scrape them off.
For any remaining waxy residue, dip a paper towel in household cooking oil and wipe the inside of the jar. Alternatively, you can use a paper towel moistened with warm water and a dab of dish soap to wash off any stubborn residue.
After removing the wax, remember to remove the metal wick holder at the bottom of the jar. It is usually attached with glue and can be popped out with a little force. Once the jar is clean, it can be recycled or reused.
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Boil water to melt wax
Candle wax isn't recyclable, but the jars they come in often are. Before recycling, ensure that you have removed the wick and any remaining wax. Here is a simple, eco-friendly method to remove candle wax from jars using boiling water:
Step 1: Prepare the wax
If you are removing wax from a jar with only a small amount of wax left, rub liquid paraffin on it first. This can help release the wax from the jar.
Step 2: Melt the wax
Place your candle jar in a bowl that is sitting on top of a pot of boiling water. This will melt the wax without heating the jar to dangerously high temperatures. You can also pour boiling water directly into the candle jar, but be sure to leave some room at the top.
Step 3: Remove the wax
Once the wax has melted, carefully pour the hot wax into something that you can throw away. Do not pour the wax down the drain as it will clog your pipes.
Step 4: Clean the jar
After removing the wax, clean the jar with soap and water to ensure it is completely clean. If you are sensitive to strong scents, be sure to work in a well-ventilated area as the boiling water may release the fragrance of scented candles.
Step 5: Recycle or reuse the jar
Once your jar is clean, it is ready to be recycled. Alternatively, you can reuse the jar for storage, as a decorative piece, or for DIY projects such as making your own candles.
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Clean the jar
Before recycling candle jars, it is important to clean out the wax. Wax cannot be recycled, and if a jar still has wax residue, it may end up in the landfill. This is because the wax can contaminate the entire batch of recycled glass if it gets on other items.
There are several methods to clean out the wax from a candle jar:
- Boiling water method: Place the 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. Wait for the water to cool and the wax to harden, then pick it out. Finally, wash the jar with soap and water.
- Freezing method: Place the candle jar in the freezer for a few hours until the wax is frozen. Then, use a butter knife to pop the wax out of the jar. Breaking up the wax a bit before freezing makes it easier to pop out.
- Stovetop method: Place the candle jar in an empty glass bowl over a pan of simmering water. This melts the wax so that it can be poured out, without the jar itself getting too hot. Remember to wear oven gloves when handling the jar.
After removing the wax, it is important to wipe down any remaining residue and ensure the jar is impeccably clean before recycling or repurposing it.
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Reuse the jar
Before reusing or recycling a candle jar, it is important to remove the wax and ensure the jar is impeccably clean. Here are some methods to do so:
- Place the jar in a bowl of hot water sitting on top of a pot of boiling water. This will help clean out the wax without heating the jar to dangerously high temperatures.
- Put the candle in the freezer for a few hours. The wax will freeze, and you can use a butter knife to pop it out. Making cuts in the wax with a butter knife before freezing will make it easier to break and remove the wax.
- Pour the melted wax into something you're going to throw away. Do not pour it down the drain as it will clog your pipes.
After removing the wax, remember to remove the metal wick holder at the bottom of the jar. It is attached with glue and can be popped out with some force. Also, wipe down any remaining residue to ensure the jar is pristine and ready for reuse.
Now that your jar is clean, you can reuse it in various ways. You can use it as storage for small items such as paper clips, pins, or buttons. Alternatively, you can use it to store spices, herbs, or other small food items. If you're feeling creative, you can also decorate the jar and use it as a vase for flowers or a holder for makeup brushes.
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Dispose of wax safely
Before recycling or reusing candle jars, it is important to dispose of the wax safely. Here are some ways to do that:
- Remove excess wax: Before discarding your candle, remove any leftover wax. If the wax is stuck, you can freeze the candle jar, allowing the wax to shrink and pop out more easily. You can also use a spoon to scoop out the wax.
- Cotton Ball Absorption Method: While the wax is still warm but not hot, drop in a few cotton balls to soak up the wax. Carefully remove the cotton balls and throw them away.
- Boiling Water Method: Place the jar in a bowl sitting atop a pot of boiling water. This will clean out the wax without heating the jar to dangerously high temperatures. Alternatively, pour boiling water directly into the candle jar and allow the melted wax to float to the top. Wait for the water to cool and the wax to harden, then remove the wax.
- Freezing Method: Place the candle in the freezer for a few hours until the wax is frozen. Use a butter knife to pop out the frozen wax. Breaking up the wax beforehand will make it easier to remove.
Once the wax is removed, it can be disposed of in the regular trash. However, small amounts of wax can be reused to make new candles by melting and reforming them with a fresh wick.
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Frequently asked questions
Candle jars are 100% recyclable, but they must be completely clean of any wax residue before they are recycled. To clean out the wax, you can try the boiling method, melting the wax with boiling water and pouring it out, or the freezing method, freezing the wax and then popping it out with a butter knife.
Old candle jars can be reused for a variety of purposes, such as storing bulk food items, holding pens and pencils, or even making your own vegan candles.
There are several ways to remove wax from a candle jar. You can melt the wax by placing the jar in a bowl of boiling water, or pouring boiling water directly into the jar, and then pour the wax into something you're going to throw away. Alternatively, you can freeze the candle jar, which will make it easier to pop the wax out with a butter knife.











































