How to Fix Tiny Air Bubbles in Your Candle: A Step-by-Step Guide

Candles have a unique way of adding warmth and ambiance to any space. Whether you enjoy them during a relaxing bath, a romantic dinner, or simply as decoration, candles can create a soothing atmosphere. However, encountering tiny air bubbles in your candle can be quite frustrating. These bubbles not only affect the aesthetic appeal of the candle but can also lead to uneven burning. In this article, we’ll delve into the reasons behind the formation of air bubbles in candles and provide you with a comprehensive guide on how to fix them.

Understanding the Causes of Air Bubbles

Factors Contributing to Air Bubbles

Tiny air bubbles can form in candles due to a variety of reasons. One of the primary culprits is the wax itself. If the wax is not melted and poured at the right temperature, it can trap air as it solidifies. Additionally, stirring the wax vigorously during the melting process can introduce air into the mixture. Choosing the wrong type of wax for your specific candle-making technique can also lead to bubble formation.

Impact on Candle Burning

Air bubbles in candles can affect the way they burn. When a candle with air bubbles is lit, the air pockets can cause uneven melting and tunneling. This leads to wasted wax and a shortened burn time. Therefore, it’s essential to address air bubble issues to ensure your candles burn evenly and beautifully.

Tools and Materials You’ll Need

Before you begin the process of fixing air bubbles in your candle, gather the following tools and materials:

  • Wax: Choose a high-quality wax suitable for your candle-making method.
  • Fragrance Oils (if scented): To add a delightful aroma to your candle.
  • Double Boiler: For safe and efficient wax melting.
  • Thermometer: To monitor the wax temperature accurately.
  • Stirring Utensil: Mix the fragrance oils evenly into the wax.
  • Candle Molds: Select molds that are appropriate for your design.

Step-by-Step Guide to Fixing Air Bubbles

Preparing Your Workspace

Begin by setting up your workspace. Ensure that your double boiler is clean and free from any water droplets, as water can cause the wax to splatter. Place your tools within easy reach.

Melting the Wax Properly

  1. Fill the bottom of the double boiler with water and place it on low heat.
  2. Chop your wax into small, uniform pieces and place them in the top pot of the double boiler.
  3. Monitor the wax temperature using the thermometer and melt it to the recommended temperature.

Adding Fragrance Oils

  1. Once the wax reaches the desired temperature, remove it from heat.
  2. Stir in your chosen fragrance oils using the stirring utensil. Stir gently to avoid introducing more air into the wax.

Pouring the Wax Carefully

  1. Allow the wax to cool slightly before pouring it into the mold.
  2. Pour the wax slowly and steadily to prevent air from getting trapped.
  3. Leave a bit of space at the top of the mold to accommodate any expansion during cooling.

Releasing Air Bubbles

  1. After pouring the wax, gently tap the mold on a surface to help air bubbles rise to the top.
  2. Use a heat gun or a small flame (such as a lighter) to carefully pop the surface air bubbles.

Cooling and Unmolding the Candle

  1. Allow the candle to cool and solidify completely.
  2. Once cooled, gently remove the candle from the mold.
  3. Trim the wick to the desired length.

Tips for Preventing Air Bubbles in Future Candles

To prevent air bubbles from forming in your future candles, consider these tips:

  • Use a Heat Gun: Run a heat gun over the surface of the poured wax to release any trapped air bubbles.
  • Warming the Molds: Warm the molds slightly before pouring the wax to help it adhere better and release air bubbles.
  • Pouring at the Right Temperature: Follow the recommended pouring temperature for your specific wax to avoid trapping air.

Troubleshooting Common Candle Issues

Sinkholes vs. Air Bubbles

It’s important to differentiate between sinkholes and air bubbles. Sinkholes are concave depressions that form when the wax cools and contracts. Air bubbles, on the other hand, create pockets of air within the wax. The methods to fix these issues differ, so accurate identification is crucial.

Frosting and Wet Spots

Frosting refers to the white, crystalline patterns that can appear on the surface of candles. Wet spots, on the other hand, are areas where the wax has pulled away from the glass. These issues are related to temperature changes during cooling.

Experimenting with Candle Designs

Layered Candles

Get creative with your candles by experimenting with layered designs. Pour different colors and scents into layers, allowing each layer to cool before adding the next. This creates visually appealing and unique candles.

Embeds and Additives

Incorporate embeds (small decorative items) or additives (such as herbs or glitter) to enhance the visual appeal of your candles. These elements can add texture and interest to your candle designs.

FAQs (Frequently Asked Questions)

  1. Q: Can I use a microwave to melt the wax?
    • A: It’s not recommended to use a microwave, as it can lead to uneven melting and potential fire hazards.
  2. Q: Why is it essential to add fragrance oils after removing the wax from heat?
    • A: Adding fragrance oils when the wax is too hot can cause them to evaporate, resulting in a weaker scent.
  3. Q: Can I reuse the leftover wax that I’ve melted?
    • A: Yes, leftover wax can be melted and reused for future candles.
  4. Q: Are air bubbles more common in certain types of candles?
    • A: Yes, container candles are more prone to air bubbles due to the confined space within the container.
  5. Q: How long should I wait before unmolding the candle?
    • A: Wait until the candle is completely cooled and hardened, which usually takes a few hours.


Creating beautifully crafted candles doesn’t have to be a challenge, even when dealing with tiny air bubbles. By following the steps outlined in this guide, you can ensure that your candles are not only visually appealing but also burn evenly, providing hours of cozy ambiance. Remember to be patient and experiment with different techniques to achieve the best results. Now, let your creativity shine as you embark on your candle-making journey.

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Sharron Gimik
Sharron Gimik

Sharron is the founder and creator of Homestead Sparkle, Down Home Wicks, Bundt Cake Admiration, and Timbers Cove. She loves crafts of all kinds and started as a candle maker. She loves to bake and collect decorative cake pans too.

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