Posted by a reviewer on Amazon

Let me tell you story last summer i went to east africa and as we reached our destination we were told the factory that produced bottle water was closed by the government for investigation

Posted by a reviewer on Amazon

The only available water was that was collected from raining water

Posted by a reviewer on Amazon

I wouldnt have bought if i knew

Posted by a reviewer on Amazon

I used my household tap water and got lots of bubbles in the outflow water

Posted by a reviewer on Amazon

Now let me first say that this pump will not kill viruses

Posted by a reviewer on Amazon

You want to backflush with the syringe if it gets hard to filter and wont pump easily read dirt gets inside the filter and then again when you put it away after your trip but all those details are in the instructions

Posted by a reviewer on Amazon

Disclaimer im not a doctor or chemist or biologist or have any degree in water safety

Posted by a reviewer on Amazon

Im simply reporting on this device as i have interpreted the instructions