Would UV light help mitigate that small spot's infectiousness? After reading this thread, I'm writing to MSR about whether treating their Guardian filter with

Would UV light help mitigate that small spot's infectiousness? After reading this thread, I'm writing to MSR about whether treating their Guardian filter with my ozone generator in a small box to 1 ppm for half an hour after I get back would void their support. I don't touch it now, but I'd rather kill the bugs than leaving them to desiccate in storage.