Food Safety and Environmental Services
Food Equipment Cleaning and Sanitizing: Water Chemistry and Quality, Water Impurities
| Impurity | Problem Caused |
|---|---|
| Oxygen | Corrosion |
| Carbon Dioxide | Corrosion |
| Bicarbonates (Sodium, Calcium or Magnesium) | Scale |
| Chlorides or Sulfates (Sodium, Calcium or Magnesium) | Scale & Corrosion |
| Silica | Scale |
| Suspended Solids | Corrosion and Deposition |
| Unusually high pH (above 8.5) | Mediate Corrosion and Deposition; Alter detergent efficiency |
| Unusually low pH (below 5) | Mediate Corrosion and Deposition; Alter detergent efficiency |
| Impurity | Problem Caused |
|---|---|
| Iron | Filming and Staining |
| Manganese | Corrosion |
| Copper | Filming and Staining |