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April 25, 2015

How to Remove Candle Wax from Glass Containers



Learning how to remove candle wax from their glass containers can be a great way to reuse and recycle. When one has as many leftover old candles hanging around the house as I do, you try to find ways to reuse the wax instead of just throwing the jars out. This saves money and saves on adding to the garbage piles. 


People burn candles for many different reasons. I burn for their scents and for the romantic and peaceful atmosphere they give off. The aroma fills the air and helps with taking unwanted smells out of the room, such as those lovely dog and cat smells. Now I love my animals, but I don't want my house smelling like them. I also burn candles for spiritual reasons, so you can probably imagine how many old candles I have laying around. 

Removing the wax is very easy and you can use the leftover candle wax to make wax tarts, tea light candles, or even small pillar candles. Bigger candles can be made if you have a lot of old wax or if you mix the leftovers together. I like to keep the wax separate because I make wax tarts from the different scents. 

Choose and gather all those old glass jar candles with the leftover wax at the bottom. Place them on a hot plate or towel to protect whatever surface they are on. In my case, I was protecting my kitchen counter. Score the wax with a knife making slits in the wax.


Boil a pot of water like you are making tea. You can use a tea kettle or a pot. The boiled water is the key to removing the candle wax from the glass jars. When the water is boiled, pour the water into each glass jar about a quarter way from the top. Remember to do this on the hot plate or towel to protect your surface. The glass jars will get very hot, so refrain from touching them with bare hands. Use a oven mitt or glove. 


The water will cover and reach into the wax section of the candle. The slits in the wax that were made will allow the water to reach inside the wax easier. You will see the wax start to melt and bubble to the top. It looks kind of like a lava lamp. Let the water sit for awhile and until it cools off. I let it sit for at least an hour. The water will eventually cool off and the wax will harden at the top. 

Remember as the wax melts in the container with the boiling water, the wax will separate and move to the top of the jars. When the water cools so will the wax, making it very easy to remove. To remove, stick the knife into the top of the wax. This will crack the wax making it easy to pull out. Pour the water out, but not into the kitchen sink because the wax will harden into the pipes. Take all the leftover wax out and place on the side to make wax tarts or candles out of it. You might have to repeat the steps if you have a lot of wax left in the jar and you can not remove it. 

If reusing the jars and containers, wipe the remaining wax out with a rag or paper towel. Wash with dish soap, rinse, and let dry. Remember to peal any labels off. The jars can now be used for decoration or storage. 

Well I hope that this helps with getting all that old wax out of those glass jars. Enjoy!