A candle usually won’t stay lit because the wick is too short, buried, drowned in wax, clogged, exposed to drafts, or blocked by tunneling or jar depth. Start by matching the visible symptom to the...

Trim most candle wicks to about ¼ inch, or 6–7 mm, before lighting and after the wax has cooled between burns. This guide explains consumer candle-wick trimming for cleaner, steadier candle...

Unscented candles burn cleanly when wax, wick, container, additives, rest time, and burn testing work together without fragrance assumptions. An unscented candle is a candle made without added...

Fragrance load is the percentage of candle fragrance oil calculated against wax weight, so fragrance oil weight equals wax weight multiplied by the selected fragrance-load percentage. Use this...

Common wax melt problems are fixed by matching the visible symptom to when it appears, checking the most likely cause, and changing one variable at a time. Wax melts are scented pieces of wax...

Fragrance-add temperature is the melted wax temperature used for mixing fragrance oil after the wax has melted and before the candle is poured. For many soy and paraffin candle waxes, a common...