One of the biggest complaints about candles of all kinds is in regards to the soot that can be produced by them. There are a variety of ways to greatly reduce the amount of soot coming from your candles which will also help them to burn better. Today I will share some of these candle burning tips with you to help you have a better experience with you candles and save money. Lets first understand what causes soot from a candle flame.
What Causes Candle Soot
Soot from a candle is caused when there is incomplete combustion of the fuel. This can be caused by a number of factors. Two of those factors are the balance between the wax and wick in the candle and disturbing the candle flame. The fuel to the candle flame is the liquid wax which is being drawn up through the wick. Once the flame of the candle has started drawing the liquid candle wax up the wick, it does so at a steady rate. When the candle flame is disturbed the size of the flame changes and the amount of fuel being used is no longer consistent. When too much fuel is presented to the flame it is not all burned. The excess fuel is put off in the form of soot.
Avoid Burning Candles in Drafty Areas
Burning candles in a drafty area such as near an open window, air duct, or fan will cause your candle to put off a large amount of soot. When something causes the candle flame to bounce around the size of candle flame changes. A steady flame will use a consistent amount of fuel. A wick that is bouncing around will draw fuel up the wick at a variable rate, sometimes too much, other times, not enough. When a large amount of fuel is drawn into the wick and then the flame size shrinks, not all the fuel is burned. The extra oil is expelled as soot into the air.
Use Open Bottom Hurricanes and Vases
Many event locations, where candles are used for decoration, require that the candle flame not be exposed above the top of an enclosure. This could mean the flame of your votive candle must be below the top edge of the glass or that pillars and taper candles need to be in tall cylinders or hurricanes. At first, this sounds like a good idea to also keep the draft away from your candles, and it is. However, using a closed bottom cylinder or vase can create problems of its own. Fire needs and uses oxygen to burn. When you have a candle down inside of a container the oxygen is quickly used up and more is needed for the flame to continue burning. Naturally, more air is sucked into the container through the top but at the same time, the warm air heated by the candle flame is trying to get out. This fight between the warm and cold air causes turbulence (a draft) in the container which causes the candle flame to dance and produce soot. The best way around this problem is to use a cylinder or hurricane vase that is open on both ends. Raise the container up off the table about a half-inch using something that can be spaced apart so air can get in through the bottom. For my test, I used 3 stacks of coins, which I am not recommending you use, but to give an example of what I mean.
Put Candle Cappers On Jar Candles
If you are burning a jar candle with an opening of about 3″ you can purchase a candle capper for less than $4.00. Obviously there is nothing you can do about the jar having a closed bottom but these jar cappers will help regulate the airflow in and out of the jars and reduce sooting. Candle cappers are a flat metal or ceramic disc that has a large center hole to let the hot air out and smaller outer holes to let cool air in. Jars will usually produce more and more soot the further down into the glass they burn due to the draft created by the flow of hot and cold air.
Trim The Wicks
The easiest way to reduce the amount of soot from a candle is to keep the wicks trimmed. I recommend starting with about a 1/4″ wick for the first lighting. If after a few minutes the candle flame looks too big or is bouncing around (while not in a draft) you should trim the wick a little shorter. Keep an eye on your lit candles, they should never be left burning unattended. If your candle has been burning for a long time the wicks may need to be trimmed again. Don’t be afraid to blow a candle out, trim the wick, and relight it.
Purchase Quality Candles
Make sure you are getting a well-made candle. A well made quality candle doesn’t mean expensive, it means well made. Anyone can melt some wax through a string in it and call it a candle. Is it a candle? Yes. Will it burn? Maybe. Should you spend your hard-earned money on it? Probably not. The internet is full of pages on which people are selling candles. Google search term candles, currently there are 165,000,000 results. An experienced candle maker will know how to match the wick size, wax type, fragrance, and candle size to produce a great burning candle.
Use these tips to get the most value and the best burn out of your candles.
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