Corrosion Check Water Test Kit with Total Coliform/EC for Well or City Water (West)Tests your well or city water for: Lead (first draw and flush) Copper (first draw and flush) Corrosivity (Langelier Saturation Index) and Total Coliform Presence Absent Test other contaminants that cause corrosion problems including: Calcium, Magnesium, Alkalinity, Chloride, Hardness, pH, Sulfate, Total Dissolved Solids This testing package analyzes for various physical and contaminant variables that can affect corrosion of plumbing and fixtures. If