
There are many ways to seal a glass jar, such as using a water bath, purchasing vacuum sealing attachments, or using wax. Sealing jars with wax is a popular method for craft projects as it is aesthetically pleasing. To seal a jar with wax, you can use a wax kit, melt the wax over a candle, and pour it over the jar. You can also use a double boiler method to melt the wax and apply it to the jar's brim before placing the lid on top and screwing it tightly. Another method is to light a tea light candle, wait for the wax to melt, blow it out, and then roll the jar into the wax or pour the wax over the top.
Characteristics and Values Table for Turning a Candle Jar into a Seal Jar
| Characteristics | Values |
|---|---|
| Wax Type | Paraffin wax, bottle sealing wax, leftover wax from previous candles, wax beads, wax sticks |
| Wax Melting Method | Double boiler method, melting over a candle, using a wax warmer |
| Wax Application | Dip the jar into the wax, pour or drip wax over the jar, roll the jar into the wax |
| Lid Application | Screw the lid on tightly, place the lid on top and screw to fix it properly |
| Additional Steps | Wrap filament tape around the lid, press an engraved wax seal, decorate the outside of the jar |
| Storage | Store the jar in a cool, dry place |
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What You'll Learn

Preparing the jar and its contents
Inspect and Clean the Jar:
Start by carefully inspecting the jar and its lid for any defects. Look for nicks, cracks, or sharp and uneven edges, especially around the lid's inner and outer layers. Defective jars should be discarded. Once you've confirmed that your jar is safe to use, thoroughly hand wash it and the lid with warm soapy water to ensure they are clean and free of any debris.
Prepare the Contents:
Decide on the contents you wish to place inside the jar. This could include a variety of items such as dried goods, wet items, non-perishable goods, or even craft projects. If you plan to store foodstuffs, opt for naturally acidic or high-acid foods such as fruits, fruit juices, jams, pickles, or condiments to prevent bacterial buildup. Remember to leave about an inch of space at the top of the jar for sealing purposes.
Melt the Wax:
You can use candle wax to seal your jar. Melt the wax using a double boiler method, ensuring that the temperature stays below 375 degrees Fahrenheit. You can also use a tea candle or a tealight candle to melt the wax. Alternatively, you can invest in a waxing kit or use leftover wax from previous candles. If you're feeling creative, you can even add colours to your wax or use wax beads for a unique look.
Personalize Your Jar (Optional):
Before sealing, you can personalize your jar by adding decorations or symbolic representations. Consider including items such as ethically sourced animal products (feathers, eggshells), intentions or affirmations written on paper, oils or herbal infusions, honey or sugar water, or even personal items like hair or nail trimmings. Just be mindful that these items may have a symbolic or magical significance, so choose accordingly.
Seal the Jar:
Once your jar is filled and decorated, it's time to seal it. Start by screwing on the lid tightly. Then, apply the melted wax to the jar's brim. You can either dip the jar into the wax or pour the wax over the top. If you want to add a decorative touch, press an engraved wax seal into the hot wax. Finally, as the wax cools down, it will seal your jar, creating a cohesive and secure closure.
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Melting the wax
Another option is to use a wax kit, which can be a hair removal waxing kit or a specialised wax warmer. These kits help keep candle wax chips warm, and you can use a wax letter spoon to scoop and pour the melted wax over your jar. You can also re-melt extra wax from previously burned candles or DIY candle-making projects.
If you're sealing a spell jar, you can use a tealight candle and wait for the wax to melt completely before blowing it out. Then, simply roll the jar into the melted wax or pour the wax over the top. Pillar candles can also be used, but they may take longer to melt.
For a more decorative touch, you can use wax sticks with or without a wick, or wax beads designed for wax sealing. You can melt the desired amount of wax by holding it slightly over a candle flame and then dipping the jar into the wax or pouring it over the lid. This method allows you to choose specific colours or types of wax to personalise your project.
When melting the wax, it's important to prioritise safety. Some people have shared experiences of burning themselves during the process, so it's crucial to be cautious and avoid any potential hazards.
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Applying the wax to the jar
Applying wax to a jar is a great way to seal it for storage or for craft projects. To apply wax to a jar, follow these steps:
First, prepare your jar. Ensure the jar and lid are free of any defects, such as nicks, cracks, or sharp edges. Hand wash the jar and lid in warm, soapy water to clean them. If you are sealing the jar for storage, fill the jar with your chosen item, leaving about an inch of space at the top for sealing.
Next, you will need to melt your wax. You can use paraffin wax, leftover candle wax, or wax beads. If using paraffin wax, melt it using the double boiler method, ensuring the temperature stays below 375 degrees. Alternatively, you can use a tea light candle and wait for the wax to melt, then blow out the candle. You can also melt wax over a candle using a wax letter spoon or a similar tool.
Once your wax is melted, it's time to apply it to the jar. One method is to dip the jar directly into the wax. Turn the jar upside down and dip it straight into the melted wax, then lift it out and spin it to prevent dripping. Another method is to pour or scoop the melted wax over the jar, focusing on the brim or the edges where the lid meets the jar. You can also gently spin the jar on its side as you pour to create an even coating.
If you want to add a decorative touch, you can use a wax seal to personalize your project. Press your engraved wax seal into the wax immediately after applying it to the jar. You can also decorate the jar with ribbons, strings, or paint, or use duct tape for a binding spell.
Finally, place the lid on top of the jar and screw it tightly to fix it in place. As the wax cools down, it will seal the jar, creating an effective and aesthetically pleasing storage solution.
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Using filament tape
To turn a candle jar into a seal jar using filament tape, you will need the following materials: a ceramic wax sealer dish, filament tape, scissors, a tea candle, a kitchen lighter, and bottle sealing wax. You can find most of these supplies at a local craft store or department store, or online.
Firstly, prepare the wax sealer dish on a table. If your dish has a place for a candle beneath it, simply place it on the table. If not, you will need to put it on a small rack so that a candle can go beneath it. Light the tea candle and place it under the wax heating dish.
Next, heat the wax. Add granular wax in your chosen colour to the ceramic dish. As the wax melts, keep adding more until the liquefied wax is about 2cm from the top of the dish. This will take around 20 minutes.
Now, you can blow out the candle. Take your candle jar and twist the cap on tightly. If it is not for eating, you can use a cork instead. Wrap the filament tape around the cap or cork where it meets the jar, overlapping the tape on itself. Cut the filament tape and bend the end that is sticking out, pushing it against the rest of the tape. This bent part will be what you pull to undo the seal.
Finally, dip your candle jar upside down into the wax. Lift it straight back up and spin it to prevent dripping. You can now press your engraved wax seal into the top of the jar if you wish to personalise it.
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Decorating the jar
Decorating your jar can be just as important as preparing its contents. You can personalise your jar in many ways, such as by painting and drawing on the outside of the jar, or by wrapping it in ribbon or string. If you want to incorporate words into your design, try rolling up a piece of paper with your chosen word or phrase written on it and placing it inside the jar. You can also draw or paint sigils and affirmations on the jar itself, or on the wax seal.
If you want to add colour to your jar, you can use coloured wax or paint. You can melt coloured wax from a candle and dip your jar into it, or pour the wax over the top. Alternatively, you can use wax crayons to add colour to your jar. If you're feeling creative, you can even try making your own herbal paint by creating an herbal blend or tincture.
You can also decorate your jar with physical objects. Feathers, eggshells, and bones can add an interesting texture to your design, but be sure to source these materials ethically. If you want to get really creative, you can add objects such as hair, nail trimmings, or photos to your jar, but remember that these objects will be tied to your spell.
Finally, don't forget that you can decorate the inside of your jar as well as the outside. Layering different materials and colours inside the jar can create a unique and interesting design.
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Frequently asked questions
First, fill the jar with whatever you want to store, leaving an inch of space at the top for sealing. Next, melt your wax using a double boiler method, ensuring the temperature is below 375 degrees. Then, apply the wax to the brim of the jar and quickly screw on the lid before the wax cools.
You will need a ceramic wax sealer dish, filament tape, scissors, a tea candle, a kitchen lighter, and bottle sealing wax. These supplies can be found at a craft store or department store, or ordered online.
You can use a water bath method, which is commonly used to preserve foodstuffs in Mason jars. You can also use duct tape, ribbon, or string to seal a jar.











































