W hat do you do when you've got a scented candle that's nearly burnt down to the wick, but still has a good amount of wax ...

I even trim my wicks! Which, by the way, you should be doing too if you want an even pool of wax. I’ve also done quite a bit of writing about candles and tested a bunch too. As a result ...

Light your candle and allow it to burn for a couple of hours until the top surface of wax has melted to an evened-out level. Of course, another way to avoid tunnelling is to let your candle burn ...