The color must be solved for first use in the water completely and slowly and a play to infiltrate wool and cotton and not cause a few colors. For this purpose, if there is no barrier, the colors usually act in the following ways: A: If the color provided as a powder, the first is made in a small amount of half-heated water and then this color is dissolved in a amount of water and it falls into the bath. (b) If the color of the pill or crystal is compressed, they first form it as powder and act like the above description. P: If the color is marketed as a thick solution in the market, it first dissolves it in some water that is not saturated from the color and dissolves the colored particles completely and a play in itself, then they fall the solution in the bathroom.