Why do candles need dye?

Dye blocks are added into the candles while making them.

Dye blocks comes in all color, shapes and sizes.

There is also another form of coloring candles which are known as liquid dyes which also comes in a lot of colors.

All Candle Suppliers carry these items.

Either one of these forms are added into the melting wax and it changes the wax to the color of the dye. Once poured into a container the wax is whatever color the dye block was, such as red, blue, or yellow.