Should Candles Have Black Smoke?

All candles produce small amounts of smoke, but a properly burning candle should not produce visible black smoke. You may notice that the wall near a candle has black smudges or that the candle holder is clouded with black residue.

Why is my candle smoke black?

The primary cause of black smoke is an overly long wick. When a candle burns, the wax near the flame melts and the liquid wax is pulled up the wick to feed the flame. ... This throws off the chemical reaction and can produce excess soot and smoke.

Is it bad for my candle to have black smoke?

Many of us keep candles in our homes because they provide ambiance and beauty that cannot be matched by even the most realistic of fake flames. But it can be ruined when your candle produces black smoke. Candles should not produce black smoke, also known as soot.