From the experiment results, the color of the flame caused by the elements in Danzig. It can be concluded that the compounds of transition metals that are used as elements of the wick. When the light and color vary as follows CuSO_4 green KNO_3 purple NaSO and _ (4) orange by a comparative study of the wick by substance.The melting of the three compounds by dissolved by water and HCl wick the color of the flame to the most obvious. Wick was dissolved by the HCl so the substance being solvent by HCl Water Act wick. To make the color of the flame than the substance being solvent with water, because the HCl will help elements in Danzig it on fire for a longer time.