This should be injected ahead of the pressure tank, and may be mixed with chlorine solution if chlorination is also used. Keep in mind that soda ash adds sodium to your water. To prevent corrosion by creating protective films on plumbing components, chemicals such as polyphosphates and silicates may be injected into the plumbing system. Metal concentrations in tap water are highest after water has rested in the plumbing system for a long time. Before drinking each morning, run your cold water several minutes to flush metals which have accumulated overnight.
Elevated temperatures result in increased corrosion.
Therefore, hot water heaters should be set only as high as is necessary. To be safe, water from the hot water tap should not be used for drinking or cooking. Distributed in furtherance of the Acts of Congress of May 8 and June 30, 1914. Employment and program opportunities are offered to all people regardless of race, color, national origin, sex, age, or disability.