[header] How to remove wax from glass [title] Place the glass jar or piece of glass in your freezer. [step] Freezing works best for small votive holders or candle jars. Once your candle has cooled to normal room temperature, place it in the freezer. 
[substeps] If you put it in when it's too hot, you'll risk cracking the glass from too quick of a temperature shift. Make sure the glass is cool to the touch before you freeze it.