Factors Affecting UV TreatmentWater to be treated by UV light should be clear and relatively low in minerals:
- Water should be low in hardness minerals: Less than 7 grains per gallon of hardness, or less than 120 PPM)
- Water should be free of color
- Iron should be less than 0.3 mg/L.
- Manganese should be less than 0.05 mg/L
- pH range should be 6.5 to 9.5
- Turbidity should be less than 1 NTU