Originally Posted by
Chaco Taco
Obviously is working for the 14 year old.....
Nothing is guaranteed.
With Norovirus, filtration is virtually guaranteed
not to work; even for a virus, Norovirus is small. Halogenation works well, so Polar Pure, Micropur, Aqua Mira, or anything along those lines will be quite effective in eliminating it from water. There isn't a lot of literature about UV treatment and Norovirus.
One problem with Norovirus is that if it's a variety that induces really violent