There is so much hope in a new, unburned candle -- the perfectly smooth wax surface, the straight and clean wick, the promise for hours of fragrant glow.
And then it begins, slowly but surely, burn after burn, the walls of wax build up on the sides of the jar...and so begins the phenomenon of tunneling.
When you don't give your candle time to melt all the way to the edge of the jar, you are establishing a melt pattern that forms a candles MELT MEMORY.
Yes, candles have a memory! When you re-light a candle, the wax tends to melt within the same "melt pool" it previously formed. If you re-light and let it burn a long time (no more than 4 hours for safety!), the melt pool may get bigger than it was on the prior burn, but it won't ever make it's way to the edges of the jar. And THAT is were you begin to build up wax WASTE.
So, the next time you burn your WeHa Candle Co. candle, remember to give yourself time and LET. IT. BURN.