How do you stop a candle from flickering?

Generally candle flames flicker as there is too little, or too much, air reaching the flame; moving air disturbs the candles flame causing smoke. To prevent this, always burn your candles in well ventilated rooms, away from drafts or strong air currents.

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Subsequently, how long should you burn a candle?

As a rule of thumb, candles should not be allowed to burn for longer than four hours. After putting out the flame, let the candle cool for two hours before relighting. Also, make sure you keep the flame away from moving air. How do I stop my candles from cracking?

Why do my candles have sinkholes?

Sinkholes occur naturally from the process of the wax setting up. As wax is heated to melt it into liquid form, the wax expands literally taking up more space as it changes form from solid to liquid. This is the reasoning as to why sink holes can appear in your candles. Why do candles burn unevenly? If the wick in single wick candles is not well centered, it may cause the candle to burn unevenly. If it leans to one side, the flame will melt the wax on one side of your candle and not the other. To straighten the wick, gently push it with aknife until the wick is centered in the jar.

Correspondingly, what happens if you leave a candle burning overnight?

If you burn your candle for more than 4 hours at a time, carbon will collect on the wick, and your wick will begin to "mushroom." This can cause the wick to become unstable, the flame to get too large, your candle to smoke, and soot to be released into the air and around your candle container.