If the wax on your candle won't burn or melt evenly, you can fix it with tin foil. Wrap the candle in tin foil and let it burn for an hour or until the wax melts completely around the perimeter. Then, the next time you light your candle, don't blow it out until the wax melts to the edge. How to save a candle that tunnels. Candle hack - Nadine Stay | #candlehack #lifehack #interiordesignhack #candlewax