Pool Chemicals "Who, What, When, Where, And How" program focuses on the dangers of these chemicals and their proper use and storage. Swimming pool chemicals include various kinds of disinfectants and sanitizers which work to control the growth of certain kinds of algae and bacteria in the pool water. Swimming pool chemicals may also be used in hot tubs, spas, wading pools and whirlpools. Various kinds of disinfectants and sanitizers are used but the chlorine type is the most common. The chlorine usually comes from chlorinating agents that release chlorine when they are dissolved in the water. Chlorine gas may be used in large pools. The chlorine-based disinfectants may be called chlorinating liquid, dry chlorine or liquid chlorine. The so-called dry chlorine is actually one of the chemicals in granular or tablet form. Keep in mind pool chemicals can be dangerous. There are two main types of chlorinating agents - organic and inorganic. Chlorinating agents are not compatible with each other. Many incidents occur when the same scoop or pail is used for both chemicals without cleaning them or when adding one product after the other or in the pool chlorinator. Learn the difference between organic and inorganic chemicals. Key Words: Pool Chemicals, Disinfectants, Sanitizers, Chlorine-Based Disinfectants, Chlorine Gas, Chlorinating Agents, Pool Chlorinator, Safety Video, Safety Training, Safety DVD. Runtime: 27 Min. WITH PURCHASE OF ANY ENGLISH VHS OR DVD YOU WILL RECEIVE A FREE WRITTEN MATERIAL CD-Rom. The CD-ROM of written materials may include: Leaders Guides, Questions & Answers, Manuals, and Power Points. Contents vary depending on program.