Exactly what is tunneling? As a candle burns, the wax closest to the wick melts first. Should you blow out the candle prior to allowing for the wax to melt the entire surface (Particularly on the 1st burn up), you’ll be left by using a slim tunnel round the wick. https://luxury-candles05926.wssblogs.com/27962489/an-unbiased-view-of-luxury-candles