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Heat the water in the base compartment of the pan. Wait for the wax to slowly melt. Add more if you wish–-the more dye added, the deeper the color will appear. Add either a few drops of essential oil or wax perfume. Pour the melted wax into the molds. Leave to set slightly. Cut into 5cm/2 inch lengths. Push each wick into the center of the setting wax. The wax will shrink a bit as it sets; if you think it needs a bit more, feel free to add a little more melted wax as a top-up.  Fill a shallow bowl with water. Float the candles on top. Add a few flat-headed flowers in between the floating candles for a prettier look. Light the candles when needed. Place the display in the middle of a table or somewhere else where a glowing decorative element is needed.
Drop the paraffin wax into the double boiler or bain marie. Add a little amount of wax dye disc to the melting wax. Add the scent. Remove the top pan from the heat. Cut the wick. Top up with more wax if needed. Let set. Use the candles as follows: