What Causes Sinkholes in Candles & How to Prevent Them

By A Mystery Man Writer

Last updated 16 Jun 2024

What Causes Sinkholes in Candles & How to Prevent Them

Sinkholes are small pockets of empty space that can sometimes form within candle wax when it hardens. These cavities tend to dip down toward the center of your candle. It’s important to find and fix sinkholes because they can negatively affect how the candle burns. What Causes Sinkholes? Sinkholes sometimes form during the wax setting process, when candle wax at the edge of the jar and around the wick cools down at a faster rate than the rest of the wax in the container. So how does that result in a sinkhole? When wax is heated it expands. Conversely, as wax cools down, it shrinks. When melted candle wax is poured for the first time, the heat causes it to expand and fill up the container. As the wax gradually cools down and shrinks back to its solid state, it does
Sinkholes are small pockets of empty space that can sometimes form within candle wax when it hardens. These cavities tend to dip down toward the

Someone suggested using the oven to warm jars and slowly cool candles to reduce sinkholes. I am happy to say the oven idea worked great. Not a single sink hole. I notice