
Canning jars are an excellent choice for creating window candles due to their heat resistance. They are designed to withstand high temperatures and are thick enough to avoid cracking. When making candles, it is important to select the right type of jar to prevent shattering. While canning jars are ideal, it is recommended to avoid thin glass containers such as drinking glasses, wine glasses, and glass vases. To create a window candle from a canning jar, one must follow specific steps, including measuring the wax, melting it, adding colours or scents, and pouring it into the jar while securing the wick.
Characteristics and Values Table for Creating Window Candles from Canning Jars
| Characteristics | Values |
|---|---|
| Container | Canning jars are a good choice as they are designed for pressure canning and can withstand high temperatures. Other options include oven-safe ceramics, cast iron, tins, and glass jars made from tempered glass. Avoid thin glass, plastic containers, and raw wooden containers. |
| Wax | Soy wax, gel wax, beeswax, or paraffin wax. Soy wax is non-toxic. |
| Colour | Natural off-white colour or add dye blocks or chips for colour. |
| Scent | Add essential oils or candle scents. |
| Wicks | Pre-tabbed candle wicks or wicks from Swan Creek based on the width of the jar. Trim the wick to 1/4 inch to 1/2 inch before burning. |
| Add-ons | Shells, glitter, rose petals, or greenery. |
| Process | Measure wax flakes based on jar size, melt in a pot over low heat, add colour and scent, secure the wick in the jar, pour the liquid wax, and let it cool and solidify. |
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What You'll Learn

Choosing the right jar
When creating window candles from canning jars, choosing the right jar is crucial for both safety and aesthetics. Here are some factors to consider when selecting the perfect jar:
Heat Resistance
Ensuring that your chosen jar is heat resistant is of utmost importance. Tempered glass jars are an excellent choice as they are designed to withstand high temperatures and are thicker, reducing the risk of shattering. Mason jars are also safe for this purpose due to their pressure canning capabilities and non-porous, thick construction. Avoid thin glass, such as drinking glasses, wine glasses, or delicate decorative glass containers, as they are susceptible to shattering.
Size and Shape
The size and shape of the jar will impact the overall burning duration and aesthetic appeal of your candle. Select a jar that is large enough to hold a substantial amount of wax, ensuring a longer-lasting candle. Additionally, consider the shape of the jar, opting for a design that complements your window and home décor.
Material
While glass jars are a popular choice, you can explore other materials such as oven-safe ceramics, cast iron, tins, or even oven-safe ceramics. Each material offers a unique look and feel to your candle creation. Just ensure that the material is heat resistant and won't shatter or melt under the heat of the candle.
Safety Considerations
Always test your chosen jar by using it as a candle in a safe environment to observe how it reacts to the heat. Avoid using flammable containers, such as untreated wooden vessels, as they can pose a safety hazard. If you're determined to use a wooden container, apply a thick coating of a waterproof sealer first to reduce the risk of fire.
Personalization
Canning jars offer a great opportunity for personalization. Consider decorating your jar with custom labels, paint, or other creative touches to make it unique. You can even add shells, glitter, or dried flowers to the wax for a truly personalized window candle.
In summary, choosing the right jar for your window candle involves considering heat resistance, size, shape, material, and safety. By selecting a heat-resistant jar made from tempered glass or thick glass like Mason jars, you can ensure both functionality and safety. Don't forget to personalize your creation with decorative touches that reflect your style.
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Preparing the jar
Canning jars are an excellent choice for making candles as they are designed to withstand a lot of heat. If you are using a jar from your pantry, make sure to clean it thoroughly before use. To do this, you can soak the jar in hot water to remove any old labels. If there is wax residue inside the jar, you can boil water in an electric kettle or on the stove and pour it into the jar. The hot water will melt the wax, which you can then scoop out with a spoon and discard. Wash the jar with soap and water and dry it thoroughly.
If you are using a new canning jar, you can skip the cleaning process. However, it is still important to inspect the jar for any cracks or imperfections that could cause the jar to shatter when heated. Choose a jar that is made from tempered glass, as this type of glass is thicker and more heat-resistant than regular glass. Avoid using thin glass jars, drinking glasses, wine glasses, or other delicate decorative glass containers, as they are susceptible to shattering.
If you want to add a personal touch to your candle, you can decorate the jar before pouring in the wax. You can use a hot glue gun to attach shells, glitter, or other decorative items to the outside of the jar. Get creative and experiment with different colours, fragrances, and decorations until you achieve the desired look and scent for your candle.
Once you are happy with the appearance of your jar, it's time to prepare the wick. Measure the width of the jar and cut the wick to a length that is a few inches taller than the jar. You can use a hot glue gun or a wick sticker to secure the wick to the bottom centre of the jar. If you don't have a hot glue gun, you can use a metal glue tab instead.
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Selecting the wax type
When creating window candles from canning jars, selecting the right type of wax is crucial. Here are some detailed guidelines and options to help you make an informed decision:
Soy Wax
Soy wax is a popular choice for candle makers. It is made from soybean oil and is natural, non-toxic, and environmentally friendly. Soy wax is known for its clean and slow burn, making it ideal for candles. It is also easy to work with and can be paired with various colours, scents, and additives. Soy wax typically comes in the form of flakes or pellets, which need to be melted and poured into your canning jar. This type of wax is suitable if you want a solid-coloured candle with a pleasant fragrance.
Beeswax
Beeswax is another natural option for candle making. It is produced by bees and has a pleasant, subtle scent. Beeswax candles burn cleanly and are known for their long burn time. This type of wax is ideal if you want a natural-looking candle without any added dyes or fragrances. Beeswax typically comes in the form of sheets or blocks that need to be melted and poured.
Paraffin Wax
Paraffin wax is a petroleum-based product that is widely used for candle making. It is inexpensive and easy to find. Paraffin wax burns brightly and is suitable for scented candles. However, it may not be as environmentally friendly as natural wax options. Paraffin wax usually comes in the form of pellets or granules that need to be melted before pouring.
Gel Wax
Gel wax is a unique option that gives your candle a transparent, gel-like appearance. It is perfect if you want to add accessories to your candle, such as flowers, shells, or glitter. Gel wax typically comes in a liquid form and can be poured directly into your canning jar. Keep in mind that gel wax may have different melting and burning properties than traditional waxes, so be sure to follow specific instructions for this type of wax.
Other Considerations
When selecting your wax, consider the desired colour, scent, and additives for your candle. Some waxes, like soy and paraffin, can be easily coloured and scented, while others, like beeswax, are typically used in their natural state. Additionally, think about the melting point and pouring temperature of the wax, as well as the overall burning characteristics. Always choose a wax that is suitable for your specific candle-making project and follow safety guidelines when working with hot wax.
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Adding decorations
Canning jars are made to withstand a lot of heat, so they make an excellent choice for candle containers. When decorating your candle, it's important to ensure that any materials you use are also heat-resistant to avoid creating a fire hazard. Here are some ideas for adding decorations to your window candles made from canning jars:
Glitter
Adding a bit of glitter to your candle is a simple way to make it sparkle. Choose a fine glitter that won't be too heavy and sprinkle it into the liquid wax once it's been poured into the jar. A thin layer of sparkles will give your candle a subtle shimmer.
Natural Elements
For a more natural look, you can add rose petals and greenery to your candle. To do this, use gel wax, as it will be transparent enough to display your decorations. You can also use gel wax if you want to fill your candle with other accessories such as shells or flowers.
Shells or Glitter
If you want to get a little more creative, you can add unique touches like shells or glitter to your candle. You can also try pairing your candle with other mason jar decor, such as custom mason jars or teacups.
Colour
Experiment with colours to create a candle that complements your wall art or other home decor. You can add colour to your candle by using wax or liquid dye. Add the dye bit by bit until you achieve your desired hue.
Scent
Add a scent to your candle to make it even more personalised. You can use essential oils or candle scents. Add your fragrance of choice drop by drop to avoid overpowering the scent. Stir gently to distribute it evenly.
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Trimming the wick
Firstly, when you're preparing your wick, make sure it's a few inches taller than your canning jar. This will make it easier to secure the wick in place and ensure it stays centred as the wax dries. You can use a wick sticker, hot glue, or a glue tab to stick the wick to the bottom centre of your jar.
Once the wax has been poured and has completely solidified, you can trim the wick to the desired length. It's recommended to trim the wick to about 1/4 to 1/2 inch from the top of the candle. This length will ensure a safe burn and help prevent the flame from becoming too big. If the flame is still too large after trimming, simply cut the wick down again.
It's important to note that the length of the wick can affect the colour of the glass jar as it burns. A wick that's too long can cause the glass to turn black. Therefore, regular trimming is essential to maintaining the appearance and function of your candle.
Finally, always make sure to trim the wick before each use. This practice will help prevent the candle from smoking and will ensure a clean, even burn each time it's lit.
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Frequently asked questions
It is best to use tempered glass jars as they are heat-resistant and thicker throughout their body. Canning jars are made to withstand a lot of heat, so they make an excellent choice. Avoid using thin glass as they are susceptible to shattering.
First, ensure the jar is clean and dry. If there are any old labels, soak the jar in hot water to remove them. Trim the wick to a few inches taller than the jar and use a wick sticker, hot glue, or glue tab to secure the wick to the bottom centre of the jar.
You can use soy wax flakes for a traditional candle or gel wax if you want to add accessories such as flowers or shells. Beeswax is a good option for a natural candle with no dye, while soy wax flakes can be used for a solid-coloured scented candle.
Measure out the wax flakes based on the size of your jar and place them in a melting pot over low heat. Stir until the wax turns completely liquid, ensuring it does not boil. If desired, add colour and fragrance. Slowly pour the liquid wax into the jar, holding the wick in place. Fill the jar until the wax is about one inch below the brim. Allow the wax to cool and solidify at room temperature for about four hours. Finally, trim the wick to less than half an inch.











































