Once the wax has frozen, you can take the jar out of the freezer.. You can melt this wax down in a double boiler and use it to make candles or wax melts.
First, use a knife to pry the candle and any chunks of wax out of the jar. Scrape away excess wax, and remove the wick collar (the metal end of the wick). When the jar is relatively clean, put it in the microwave for about 20 seconds, then wipe away any melted wax with a paper towel.
4 Easy tricks for how to get wax out of candle jar – so you can DIY your heart out!. and wax is all melted, then remove from heat and pour out the remaining wax.
So I set out to save these awesome glass jars and lids. And a few failed experiments later, I’ve discovered the the EASIEST way to get rid of the old wax .
Once you're done with the candle jar, it'll have a little bit of candle left.. Trash or save the bits and pieces of candle wax for later use in a candle burner if you like.. Use a kitchen paper towel so you don't have to worry about leaving sticky .