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How to upcycle old candles and used cans into outside bug repellent candles. Super Easy do it all the time. But I just keep upcucycling a collection of old candles in a mason jar. Then I take the mason jar and put it in a crock pot with water until it is melted. Once you buy the oil and wicks, if you burn candles, this will be a no brainier so easy.
1. Glue wick down to the bottom of container. 2. Melt wax (I use microwaveable soy wax) and add essential oils (I used 10 drops citronella oil and 3 drops eucalyptus oil). 3. Pour the wax into your container. 4. Cut wick once wax has hardened completely.