All of us have heard stories of people who have drunk water in a foreign country and got sick as a result. Drinking water from different sources might not be healthy for our bodies. Being prepared with a personal portable water purifier is one of the best ways to protect ourselves from various digestive problems.
If you live in the US then you are used to water that has been treated to prevent the disease. But when we treat our water, we never develop resistance to the organism that is common in many other places. As a result, when we are exposed to these organisms in drinking water our bodies react to delete and remove them quickly.
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The most common of these organisms is a cyst. Cysts are very small organisms that can only be eliminated by forcing your drinking water through the filter. Giardia and Cryptosporidium are the other most common pollutants. Cysts are so small that only a very fine water filter can remove it. Cryptosporidium size is about 3 to 5 microns and giardia is 7 to 14 microns.
So how do you get rid of these nasty little perpetrators while traveling? The best way is filtration. Water purification tablets or chlorine may have some merits, but they are not even close to being as efficient and appropriate as a portable water filter to eliminate bacterial contaminants.
While traveling, you can consider a water bottle filter as a simpler solution for your drinking water needs.