Naphthalene Balls White is a small spherical hard piece of solid which contains almost 97 percent of the naphthalene. It is used as a deodorant for urinals and bathrooms and also helps to disinfect the area to it free from bad bacteria. This compound is slight soluble in water hence it can be used for a longer period of time and gives a complete cleaning after use. Naphthalene Balls do not require any special processing to act as a cleaning agent, it can be simply placed on the grain grills for its functioning.