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switching from chlorine gas to sodium hypochlorite - Ohiowater.org

switching from chlorine gas to sodium hypochlorite - Ohiowater.org

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There were some negatives with the new feed system:The cost of using <strong>sodium</strong> <strong>hypochlorite</strong> is approximately twice as much than with<strong>chlorine</strong> <strong>gas</strong>; however the trade-off of cost for safety was deemed acceptable by LakeCounty staff.The paddle wheels used <strong>to</strong> indicate flow at each of the six filters became unusablebecause of calcium carbonate buildup and a reaction with the brass bodies of thepaddle wheels. This potential issue was overlooked during construction. Thecontrac<strong>to</strong>r has replaced the existing paddle wheels with an indica<strong>to</strong>r more suitablefor use in a <strong>sodium</strong> <strong>hypochlorite</strong> system.

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