
Refilling candle jars is a great way to recycle and reuse old candle containers. While some people choose to recycle their empty candle jars, others opt to refill and reuse them. Refilling candle jars involves cleaning out the old wax and soot, drying the jar, and then melting new wax to fill the container. Some people choose to add essential oils or scents to their refilled candles. It's important to note that there may be a risk of shattering when refilling candle jars, so it's recommended to only do this for personal use. Additionally, it's crucial to take the necessary safety precautions when handling hot wax and ovens or stovetops.
How to Refill a Candle Jar
| Characteristics | Values |
|---|---|
| Clean the jar | Soak the jar in hot water to remove old labels. Wash with hot, soapy water to remove wax residue and soot. |
| Remove wax | Boil water and place the jar in it until the wax melts. Pour out the wax and use paper towels to remove any remaining wax. Alternatively, melt the wax using the "warming" setting on the stovetop or an oven heated to 200°F. |
| Prepare the wick | Place the wick in the centre of the jar, wrapping any extra length around a skewer or similar item. |
| Melt new wax | Use a double boiler or a small, flexible cup to melt the new wax. |
| Add scent | Add a few drops of essential oil or fragrance to the melted wax. |
| Pour wax into jar | Pour the melted wax into the jar, levelling it off with more wax if necessary. |
| Cure the candle | Allow the candle to cool and cure for about 24 hours before lighting. |
| Recycling | Check with your local recycling provider to see if they accept clean candle jars. |
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Removing old wax
Another way to remove old wax is to use a double boiler method. This involves boiling water in a pot and placing the candle jar in the water until the wax melts. The jar can then be removed, and the remaining wax can be wiped away with paper towels while the glass is still warm. This method ensures that the jar is clean and free of wax residue.
It is also possible to gently scrape out excess wax and then pour boiling water into the jar to remove any remaining wax. This method has been used successfully by many people without any issues. However, it is important to note that having the jar directly on a burner can cause it to shatter, so it is recommended to use a water bath instead.
Additionally, the old wax can be reused to make new candles. The wax can be melted down and poured into smaller containers to create votives or tea lights. This is a resourceful way to reduce waste and create new candles at home.
When removing old wax from candle jars, it is important to be cautious and patient to avoid any potential issues or accidents. By using one of the methods mentioned above, you can effectively remove the wax and prepare the jar for refilling or repurposing.
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Cleaning the jar
Cleaning out a candle jar can be done in several ways. One way is to use the "warming" setting on a stovetop to melt excess wax, which can then be dumped out. Boiling water can also be used to melt the wax, and this method is preferred by some as it really cleans out the candle jar. To do this, fill a pot with water and bring it to a boil. Then, place the candle jar in the water until the wax melts. Once the wax has melted, pour it out and use paper towels to remove the remaining wax while the glass is still warm. Another method is to gently scrape out any excess wax and then pour boiling water into the jar to remove any remaining wax. This method has been used multiple times without any issues. However, it is important to note that having a candle jar directly on a burner is likely to cause it to shatter. Therefore, it is recommended to use a water bath method instead.
If there are any old labels on the jar that need to be removed, soaking the jar in hot water will help loosen the adhesive, making it easier to peel them off. It is also important to clean out any remaining soot or wax residue with hot, soapy water and then dry the jar thoroughly before refilling it. This ensures that the new candle will burn evenly and prevents cavities from forming.
It is worth noting that there are some risks associated with refilling candle jars. The jar has already been heated and cooled multiple times, which can cause it to shatter. Therefore, it is recommended to use caution when refilling candle jars and to only do so for personal use. Additionally, it is important to use a sink strainer when pouring out the water, as wax can clog drains.
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Choosing the right wick
There are several factors that influence the appropriate wick size, including the wax type, type and amount of fragrance oil, amount of dye used, container size and shape, and additional additives used. For example, higher-viscosity waxes such as single-pour paraffin wax, soy wax, and beeswax may require a larger wick size. The diameter of your vessel will also play a big part in choosing the right wick.
When choosing a wick, be sure to avoid any that are lead-core. Instead, opt for wicks that are zinc, cotton, or tin-cored. Flat braided or knitted wicks are typically manufactured from high-performance fibres and result in a cleaner-burning, self-trimming wick with additional structural strength, controlled curling, and a hotter, more efficient flame. An example of this type of wick is the high-tensile paper wick (HTP). Another example is the ECO series, which is a flat, coreless cotton wick braided with thin paper filaments interwoven for burn stability and reduced "afterglow" and smoke.
To determine the size of the wick you will need, you can draw the outline of your candle on a piece of paper and divide it into equal-size sections depending on the number of wicks you plan to use. Then, measure the widest part of your sections to determine the wick size.
It is important to test your initial wick choice by burning a few different types of wicks to see which gives you the best results. First, test your wick in your choice of wax with no colour or fragrance added. After pouring the wax and wick, let the candle cure for 24 hours, then trim the wick to 1" above the wax and light the candle. Let the candle burn for a minimum of 3 hours, ensuring it is in a safe area away from drafts and other candles that might interfere with the burn. After the burn period, observe the melt pool, soot, and mushrooming (carbon build-up). The melt pool should be just at the wall of the candle container, with minimal soot and mushrooming.
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Melting new wax
Firstly, prepare your workspace by lining it with wax paper or aluminium foil to catch any spills and make cleanup easier. Place your clean, dry candle jar on the prepared surface. Ensure you have chosen an appropriate wick for your jar, considering the width and length. You can cut the wick to size, but it's better to have a longer wick than a shorter one. Place the wick in the centre of the jar, securing it with a skewer or chopstick.
Next, prepare your wax. If you are using wax from old candles, melt it down in a double boiler or a small, flexible cup. You can create a double boiler by placing a pot of water on the stove and bringing it to a boil. Once boiling, place a heat-safe container filled with wax flakes or pastilles into the pot, ensuring it is fully melted. Alternatively, you can melt the wax in the oven. Preheat your oven to 200°F, place the jars on a baking sheet, and fill them with wax pastilles before putting them in the oven for 45-60 minutes.
Once your wax is fully melted, you can add a few drops of essential oils or fragrances to each jar if desired. This method produces a more potent scent than adding it to the melting wax in bulk. You can also set an intention for each candle or add crystals for a personalised touch.
Carefully pour the melted wax into your prepared jar, ensuring even distribution. Allow the candles to cool and cure completely before lighting them. This process may take about 24 hours. Once the wax has hardened, cut the wicks to the appropriate length, ensuring they are not too short.
If your candle develops a "dip" around the wick, simply melt some additional wax and top it off to create a level surface.
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Adding scent
Now that you've cleaned out your old candle jar, it's time to add a scent. This process is simple and allows you to get creative with fragrances. You can add a few drops of essential oils or fragrance oils of your choice to the melted wax. This will give your candle a pleasant aroma when burned.
It is recommended to add scent to each individual jar rather than the pot of melting wax, as this will result in a more potent fragrance. You can experiment with different oils to create unique blends and even add in dried flowers or herbs for a natural touch.
If you're using soy wax, it can typically handle about one ounce of fragrance oil for every pound of wax. Additionally, you can add a tablespoon of coconut oil to enhance the scent and improve the burn. This will make your candle last longer and smell stronger.
For those who prefer unscented candles, you can simply opt out of adding any fragrance oils and follow the rest of the candle-making process. This way, you can still enjoy the soft glow and atmosphere of a candle without any added aromas.
With these simple steps, you can create beautifully scented candles that fill your space with a warm and inviting fragrance.
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Frequently asked questions
To clean out an old candle jar, scrape out any excess wax and pour boiling water into the jar. This will melt any remaining wax, which can then be poured out. You can also use a stove or oven to melt the wax.
Soak the jar in hot water and the label should come right off.
You can use soy wax flakes or wax pastilles.
You can buy wicks online or at craft stores. Make sure to measure your jar and buy the appropriate size wick to ensure an even burn.
For an 8-ounce candle, 30-40 drops of essential oil is recommended. However, it is important to note that adding essential oils to the melting wax may produce a less potent scent. It is recommended to add a few drops of scent to each individual jar.











































