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Candle Making Terms

These are common terms that pop up a lot in candle making. If there is a term that you see all the time but aren't sure about, feel free to email us.


Viscosity is a fluid's ability to resist flow. Ketchup or honey have a high viscosity. Milk or juice has a low viscosity.

Wick down

To use a wick one size smaller but within the same series. For example: going from an LX-26 to an LX-24.

Congeal Point

The temperature at which melted wax gets cool enough to begin to turn from a liquid into a solid.It's sometimes called the cloud point because the wax begins to look cloudy.

Flash Point

The lowest temperature at which vapors from a substance will burn when ignited by a flame.


This commonly occurs with soy wax candles. You can reduce frosting by pouring your candles between 100-115 degrees.

Glass Adhesion

Also known as Wet Spots or Delamination. This is when the wax pulls away from the glass. Very common with container candles.


Excess melted wax running down the outside of a self-supporting candle.


Unburned wax that remains on the wall of jar candles when the candle has expired.

Melt Point

The temperature at which melting wax gets hot enough to turn from a solid into a liquid.


Seen at the top of a candle wick, this is a small amount of carbon caused by incomplete combustion. Often the wrong wick size, wax additives or fragrance contribute to this problem.

Transition Temperature

The temperature or temperature range at which a wax cooling from the liquid to the solid state converts from non-crystalline form to a crystalline one.

Wick Up

To use a wick one size larger within the same series. For example: going from an LX-24 to an LX-26.