marketing manager for PPG Industries, Inc., Pittsburgh. Calcium dichromate solutions were used for tex tile wastewater treatment. From Drinking Water To Swimming Pools. Powdered or granulated calcium hypochlorite is an effective option for chlorine disinfection. wastewater effluent can prolong disinfection even after initial treatment and can be measured to evaluate the effectiveness. Do not entre the pool until the chlorine residual is 3 ppm. From Drinking Water To Swimming Pools. Calcium hypochlorite eliminates bacteria, fungi, algae, slime and microorganism. Calcium Hypochlorite 65-70% irradicates harmful microgranisms, bacteria, fungai, alage and slim in the water and prevents them from growing back. These become even bigger concerns as teenagers and seasonal help often have the responsibility for administering the chlorination system. The primary product made up of wood pulp is paper for which whiteness of paper is an important characteristic. To many people, a nice dip in the pool provides recreation and relaxation, and they dont need to think about the effort that went into the treatment and sanitation that made that pool a safe and clean place for fun. It is also used to detoxify cyanide baths in metal industries. We can now solve for the unknown pounds of calcium hypochlorite by dividing both sides of the equal sign by the "0.65" and then canceling: This then gives us the following after we "clean it up," our answer: We would use 619.2 lbs of calcium hypochlorite, that has 65% available chlorine in it! Bleach breaks down over time, losing its strength and efficacy as well as adding to the total dissolved solids in the pool. uses sodium hypochlorite for removing slime and bacteria from its … Drain the pool water weekly and thorough clean the pool after each drain. 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