Why lower a mold into water just after filling it with hot wax? #howto - Video

@HiddenPlantsofAsia

Why lower a mold into water just after filling it with hot wax?
The candlemaker melts down old candle scraps and opens a metal mold. See those two grooves? He stretches a wick down the center of each one, then clamps the halves together.
He pours in the wax. Open the mold now and the candles would lose their shape. So he lowers it into a basin, keeping the opening above the water.
The water carries heat away through the metal, so the wax sets faster than it would in air. Once it’s firm, he trims the excess and opens the mold. Look at those round bases. They’re part of the candles themselves. One pour makes two candles that stand on their own.

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