… Members of the Valparaiso City Utilities Fluoride Commission saw this Wednesday as they toured the Flint Lake water treatment plant, collecting data to produce a report by Sept. 30 on whether Valparaiso should continue fluoridating its water.

… Fluoridation began in Grand Rapids, Michigan, in 1945 and came to Indiana at South Bend, Huntington and Indianapolis in 1951, with Valparaiso starting in 1952.

Now, a computer system adjusts for water flow and puts 0.3 gallons of hydrofluorosilicic acid — the fluoride compound Valparaiso uses — into every 120 gallons of water…

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