Protozoa UV Light Dose
Chlorella vulgaris (algae) 1,2,3,4,5,9 22,000
Blue-green Algae 420,000
E. hystolytica 84,000
Giardia lamblia (cysts) 3 100,000
Nematode Eggs 6 40,000
Paramecium 1,2,3,4,5,6,9 200,000