An easy solution to use those left over pieces from old candles! Melt them and combine them together to make new wax candles you can use. Great upcycle for the winter and holiday season: http://www.ehow.com/how_7709554_melt-candles-make-new-candles.html?utm_source=pinterest.com&utm_medium=referral&utm_content=freestyle&utm_campaign=fanpage
Aunt Peaches: How to Remove Candle Wax From Glass Containers. It works! I used it to remove wax from crystal candlesticks but instead of adding boiling water for 15 minutes, I just dipped a paper towel in the boiling water and held it against the wax on the candlestick. After 30 seconds, the wax came off! And there was no damage to the crystal.
Make Candle Wax Warmer Melts, Tarts, and Cubes: The Complete DIY Guide!