What makes the wall black?

Soot comes from incomplete combustion of a carbon-based material. Any material that can burn can produce soot, including natural gas, LP, wood, oil, candle wax, gasoline, diesel fuel, tobacco smoke, dust, dirt, cooking oils, and carpet fibers. Sources include: * Candles (scented candles might be worse).

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Why do you have to cut the wick of a candle?

Keeping the candle wick trimmed helps control your flame height. Too big of a flame will cause the candle to burn to hot which isn't safe for you, your space or your candle. It will also cause and create black soot, not cute. How do you trim a Yankee candle wick? Start by trimming the wick to 1/4?1/8 of an inch in length, every time you burn. You can use a plain old pair of scissors to do this, but once the candle burns down, it'll get harder to reach the blades far enough into the jar - that's why I like to use nail clippers instead.

How do I stop my candle from smoking?

Candles burn best in still air - if too much (or too little) air reaches the candle flame, it will disturb the ideal teardrop shape of the flame, and may cause the candle to start flickering and smoking. To avoid this, always burn your candles in a well-ventilated room, away from drafts, vents or strong air currents. Why is there so much black dust in my house? Black dust in your house can be found on furniture, fans, rails, stairs, bedding, sinks, plants of appliances. In fact, black dust may be due to deteriorating duct liner materials in your heater or air conditioner and in some cases cold air returns. It may alternatively be due to soot produced from candles.

And another question, can you smoke candles?

Which candles are best for your health? Burning almost anything has the potential to release chemicals that may harm your health. The smoke from burning candles in a well-ventilated area is unlikely to have a significant impact on your health compared to the pollution you breathe in during your daily life.