The wax should come loose.

How to reuse a candle. Line a baking sheet with foil and put any spent candles on it upside. If you want to reuse candle wax, melting old used candle jars into brand new ones, this #craftcore video is for you. Finally, wash the jar with dish soap and hot water.

Carefully pour an equal amount of wax into each of the ice tray compartments, then let it sit for. Gather all of your old candles. Remove from the freezer, turn the jar upside down and the remaining wax should fall out.

This video will show our process for me. If you still have some remaining residue, we like to remove any. The next morning, take a butter knife and run it around the edges.

When your candle is all out of burning time, put it in the freezer overnight. Place the candle jars inside the freezer and let sit for a few hours or overnight. Because candle wax becomes brittle when it is frozen, it can easily be removed from its container.

Extinguish your candle and wait until the wax has. Glass is safe to put into an oven, otherwise there would be some issues with certain baking equipment pieces. Wipe the inside with a cloth to remove any remaining wax or soot, then hand wash, rinse, and dry.

Make new candles with old wax scraps. Place pencils, markers, or paintbrushes in the jar. Pour wax and let sit.