30 Candle Making Frequently Asked Questions List

by ohcans official

Attention, Candle makers! We have compiled a list of frequently asked questions for you. If you are into DIY candle making project. This list would serve as a handy guide for your to keep on the side. 

 

1.Why is my candle not burning properly?

If your candle has issues like poor wax pooling, excessive smoking, tunneling, or an uneven flame, the wick is likely the culprit. Wicks that are too small for the candle diameter won’t burn properly or allow the melt pool to reach the container edges. This causes tunneling and poor wax usage. Oversized wicks create smoke and an erratic flame. Always use manufacturer recommended wick types and sizes for your candle diameter and wax type. Trim wicks to 1⁄4 inch before each lighting for cleanest burn.

2. How do I get rid of air bubbles in my candle?

Tap the jar and use a skewer or knife to release trapped air after pouring. In the case if  you have bubbles on the surface, use a heat gun and melt the surface. If you're getting bubbles, try pouring at a higher temperature.

3.What causes candle tunneling?

Tunneling or a deep cavity around the wick happens when a candle isn’t allowed to pool wax fully across the container. This leaves unmelted wax around the edges. Rapid cooling of the top wax layer before the melt pool reaches the sides causes this. To prevent tunneling, allow candles to cool slowly and burn long enough for complete top-to-edge wax pool. Proper wick sizing for the candle diameter also prevents tunneling issues.

4.How do I fix candle tunneling?

Trim the wick, let the wax pool completely, or pour more wax into the hole carefully.

5.Why does my soy candle have wet spots on the glass?

Condensation from added fragrance oil. Wipe gently right after pouring. Allow candle to cure 48 hours.

6.How long should I let my candle cure before burning?

At minimum 24-48 hours. Longer cure times of 1-2 weeks enhance burn quality.

7.Why does my candle smoke or produce soot?

Poor quality or improperly sized wick. Use recommended wick types and trim to 1⁄4 inch before lighting.

8.What causes candles to burn unevenly?

Uneven wick placement, drafts, or disturbances while cooling can make wax pool uneven.

9.Why does my candle have cracks?

Cooling too quickly caused uneven contraction in the wax. Insulate candle as it sets.

10.How do I clean the inside of a used glass container?

Freezing and/or using a knife edge to chip wax away. Soaking in hot water also helps loosen wax.

11.What makes candle wax turn yellow?

Many factors can cause candle wax like soy to turn yellow over time. Light exposure is the biggest culprit - UV rays and sunlight break down the wax molecules faster, accelerating discoloration. Always store unused soy wax in dark, cool places to maximize shelf life. Other factors like fragrance oils, higher temperatures, and impurities also contribute to faster yellowing. Paraffin wax holds its white color better than natural soy or beeswax.

12.Why did my candle wax seize up or thicken?

Getting wax too hot or adding fragrance at too high of temperature causes seizing. Melt wax below 185°F.

13.How do I strengthen my candle scent?

Use more fragrance oil up to manufacturer recommended limit for wax type. 10-15% is typical.

14.What causes frosting or blooming on candles?

Growth of fragrance oil crystals on surface due to improper cooling or pouring temperatures.

15.Can I reuse old candle wax?

Fortunately, left over wax from old candles can be reused. First remove any wicks, debris, and colorants by straining the melted wax through cheesecloth. Then re-melt the purified wax using low heat in a double boiler or melter, avoiding any moisture. Test purity by allowing a small amount to cool completely and checking for clarity. Finally, add new wicks and any desired oils or dyes and repour into containers. Recycling old wax reduces waste!

16.Why did my candle not release any scent?

Old or improperly stored fragrance oil loses potency. Ensure oil is fresh and stored properly.

17.What causes sinkholes in my candle?

Pouring wax too hot or cooling too fast creates a divot. Pour at 130-135°F into a warm container.

18.Why did my candle wax crackle when burning?

Water got into melted wax. Always melt wax at low heat in airtight container.

19.How do I remove labels from a glass container?

Heat label with hairdryer and slowly peel off. Use goo-remover products.

20.What causes white spots on the top of my candle?

Air bubbles in wax cooled and hardened. Pop bubbles after pouring before cooling.

21.Why did my candle explode?

Container and wax got too hot, causing rapid vaporization. Maintain melter at proper temperature.

22.How do I clean dusty wax residue from candle holder?

Warm holders gently, wipe excess wax away with paper towel. Then wash in soapy water.

23.Why did wax leak down the sides of my container?

Pouring wax at too high of temperature. Pour around 135°F.

24.What should candle wax temperature be when adding fragrance?

Around 185°F or below to avoid seizing. Cool slightly after melting before adding oils.

25.How do I make layered candles?

Pour first layer. Let fully set up. Repeat with second layer. Continue for more layers.

26.What causes frosting on container exterior?

Oil migrates out through wax to surface. Ensure wax fully adheres to container walls as it cools.

27.Can I burn candles on wood surfaces?

Place on flameproof holder. Wood can scorch due to heat. Be very cautious of fire risks.

28.How do I remove old candle wax from surfaces?

Use plastic bag with ice to chip away hardened wax. Paper towels help absorb melted wax.

29.Why did my candle get moldy?

Excess moisture introduced into wax. Always melt wax gently in an airtight container.

30.How often should I trim wicks?

Before every use to avoid excess smoke and uneven burning. Trim to 1⁄4 inch.


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