Chlorine is a highly reactive gas. It is a naturally occurring element. The largest users of chlorine are companies that make ethylene dichloride and other chlorinated solvents, polyvinyl chloride resins, chlorofluorocarbons, and propylene oxide.Paper companies use chlorine to bleach paper. Chlorine is used to disinfect water and to clean swimming pools. It is used regularly in pools and helps clean all the germs out in them. Chlorine is also use in bleach that's why bleach is very poisonous. Disadvantages. Chlorine can be a very dangerous poison it can cause throat swelling and water filling in the lungs … Step 4: Use Bleach. If using pool chlorine (12% sodium hypochlorite) use half the amounts below. Storage Tank Gallons. Approx. parts per million of chlorine residual achieved by adding 5% chlorine bleach, in the amounts below. Numbers are rounded for easier measuring. 1 Tablespoon = 0.5 ounce. 1 PPM. 5 PPM. Disinfectant. Disinfection of a floor using disinfectant liquid applied using a mop. Levels of resistance of microbes to disinfectants. A disinfectant is a chemical substance or compound used to inactivate or destroy microorganisms on inert surfaces. [1] Disinfection does not necessarily kill all microorganisms, especially resistant bacterial dosing first with chlorine, then adding ammonia at a later stage of treatment. Since the initial application is of chlorine, this increases the initial biocidal efficiency of the disinfection but also increases the risk of THM formation during this initial treatment. The ammonia addition results in the I've seen recommendations ranging from one quarter of a gallon per 10,000 gallons of pool water, which supposedly raises chlorine levels to 2.5 ppm, to one gallon per 30,000 gallons of pool water, for about 2 ppm of chlorine. Most recommendations assume you'll be using standard bleach, which is about 5% to 6% chlorine. .

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